Tragedy strikes a community when a condominium complex collapses in Miami, resulting in one of the deadliest engineering disasters in American history; experts investigate and reveal potential flaws in the structure's flat slab construction.

A crane disastrously falls across two lanes of traffic during construction work on a landmark bridge in New York City.

An unprecedented cycle of freezing and thawing causes dramatic destruction to a landmark bridge in Pennsylvania; experts investigate and reveal how a sudden surge of icy flood water buckled pier foundations weakened from years of erosion.

Tragedy strikes a community when a condominium complex collapses in Miami, resulting in one of the deadliest engineering disasters in American history; experts investigate and reveal potential flaws in the structure's flat slab construction.

A catastrophic construction disaster causes a casino parking garage to collapse with fatal consequences in Atlantic City; using the latest science, experts investigate and uncover evidence of missing reinforcements vital for structure stability.

In Louisiana, tons of biofuel is destined for a power plant across the Atlantic; a ship loader dangles in the sky; a faulty radio could squash the operation.

Disaster strikes a new railway bridge as a crane collapses in the middle of major construction in Italy; experts investigate and uncover a compromise in balance with improperly positioned counterweights and a maneuver that resulted in catastrophe.

Experts investigate if a nearby exoplanet could be the home to an alien civilization of strange, metallic monsters, after a new discovery confirms that life can thrive on such a strange world.

A mars mission captures an image of a strange structure on the planet; an intriguing sight on the dark side of the moon; a planet-eating star gives scientists a peek of Earth's bleak future.

Astronomers notice a planet in Earth's vicinity capable of supporting life; top secret military program exposed; the moon contains the components to start life.

Quasars are the brightest and most powerful objects in the universe, and though they have shaped the cosmos, they might ultimately destroy everything that exists.

Cosmologists say there are black holes throughout the Universe, but they've never seen one and it's almost impossible to study them directly.

Some believe the fire on Apollo One that killed three astronauts was a top-secret cover-up, and a team of experts investigate if this disaster was a tragic accident or part of a conspiracy to fake the moon landing.

A team of experts investigates if there was a conspiracy to fake the moon landing, and uncovers a secret report on hundreds of Nazis involved in the Apollo space program.

Confidential CIA files reveal a top-secret war for space between the US and the Soviets, and a team of experts investigate if new discoveries about American espionage during the Apollo program provide evidence of a conspiracy.

Apollo 11's lunar module nearly killed Neil Armstrong during training, and some believe this close-call could explain a conspiracy to fake the moon landing; investigating if dangers that the Apollo 11 crew faced were motive for a cover-up.

The NASA tapes that recorded the Apollo 11 moon landing are missing, and some believe their disappearance is part of a cover-up to hide the truth; experts use cutting-edge tech to hunt for this lost evidence and shed light on a possible conspiracy.

Some believe that the moon's waving American flag is the smoking gun that NASA faked the moon landing, and as a team of experts investigate this strange piece of evidence, the trail leads all the way to some of Hollywood's biggest names.

The ruins of an abandoned prison are evidence of a chaotic riot that put the prisoners in charge; special access to its burnt-out interior reveals how inmates took over Ireland's Alcatraz and why it is deserted today.

An abandoned castle is the site of hundreds of horrific murders perpetrated by the mysterious countess who once lived there, a woman alleged to be one of the most prolific killers in history; new discoveries reveal what really happened here.

An eerie set of buildings in Paris is evidence of an unspeakable evil; new discoveries reveal the horrific things that happened here, and why they were abandoned.

A strange bunker near the Kennedy Space Center serves a top-secret military function should doomsday ever come to the Sunshine State; experts use declassified intel to reveal the sinister purpose of the forbidding facility and why it was abandoned.

Discoveries reveal what really happened at an abandoned industrial complex on the shores of Lake Michigan that was once a top-secret military compound.

An massive, alien-like fortress built into a mountainside is the central node to a network of pipelines that race outwards like tentacles; behind-the-scenes access reveals the secrets of why this strange complex was built and why it was abandoned.

A series of dark, subterranean vaults lie hidden beneath the bustling streets of Edinburgh, Scotland; experts investigate and uncover a vast network of tunnels and chambers that contain a history of opportunity, crime and destitution.

Discoveries reveal what really happened at an abandoned industrial complex on the shores of Lake Michigan that was once a top-secret military compound.

An massive, alien-like fortress built into a mountainside is the central node to a network of pipelines that race outwards like tentacles; behind-the-scenes access reveals the secrets of why this strange complex was built and why it was abandoned.

A series of dark, subterranean vaults lie hidden beneath the bustling streets of Edinburgh, Scotland; experts investigate and uncover a vast network of tunnels and chambers that contain a history of opportunity, crime and destitution.

A strange bunker near the Kennedy Space Center serves a top-secret military function should doomsday ever come to the Sunshine State; experts use declassified intel to reveal the sinister purpose of the forbidding facility and why it was abandoned.

Some believe that the moon's waving American flag is the smoking gun that NASA faked the moon landing, and as a team of experts investigate this strange piece of evidence, the trail leads all the way to some of Hollywood's biggest names.

The ruins of an abandoned prison are evidence of a chaotic riot that put the prisoners in charge; special access to its burnt-out interior reveals how inmates took over Ireland's Alcatraz and why it is deserted today.

Tequila; waterbeds; flip flops; silver.

Skeletal replicas; ice buckets and servers; dining chairs; in-ground pools.

Mosquito coils; solar assist tricycles; palm oil.

Boomerangs; barbecues; pinball machines; strobe lights.

The processes of making tin whistles, horn products, and Formula F race cars.

Pewter flasks; potato salad; hydrogen fuel cells; engineered wood siding.

Gas barbecues; mattress pads; and ear prostheses.

Turntables; steam engines; playground equipment; non-stick cookware.

Accordions; pineapples; artificial joints.

Fibercast boats, clothes driers, bubble gum and fireworks are put under the microscope to see how they were made.

Jamie and Adam detonate their largest explosion to test a World War II myth.

An accident fuses compact trucks; vodka's impact on personal hygiene.

Jamie and Adam investigate a grenade blast; will consuming diet soda and Mentos rupture a person;s stomach?

The teams test two myths of locomotion from the reliable horse to the sometimes-unreliable motor car.

Jamie and Adam try to tenderize steak with explosives; they test to see if a motorist uses more fuel when driving under stress.

Team members join forces to put sayings viewers take for granted under the microscope.

The team dives into.

Tory Belleci and Streetbike Tommy meet experts using cutting-edge explosives to turn entire mountains into gravel-sized bits essential for construction, and their investigation reveals the high-powered, hi-tech process behind this dangerous work.

Tory Belleci and Streetbike Tommy meet experts from the FBI's bomb squad to reveal the cutting-edge forensics and technology required to investigate deadly bomb threats and neutralize them.

Tory Belleci and Streetbike Tommy go behind the scenes at one of the world's largest fireworks companies to reveal the explosive secrets and cutting-edge innovations of its world-class pyrotechnics experts.

Tory Belleci and Streetbike Tommy meet experts of the battlefield who re-create black powder blasts from the Civil War; using cutting-edge technology, they experiment with this simple yet deadly explosive.

Tory Belleci and Streetbike Tommy go behind the scenes at a Hollywood special effects company to reveal the secrets of the world's greatest movie explosions and how cutting-edge technology pushes cinematic carnage to new heights.

Tory Belleci and Streetbike Tommy meet the expert firefighters who use cutting-edge explosive technology to battle dangerous infernos; using the latest science, they'll find if the best antidote to fire is more fire.

Tory Belleci and Streetbike Tommy meet experts of the battlefield who re-create black powder blasts from the Civil War; using cutting-edge technology, they experiment with this simple yet deadly explosive.

Tory Belleci and Streetbike Tommy go behind the scenes at a Hollywood special effects company to reveal the secrets of the world's greatest movie explosions and how cutting-edge technology pushes cinematic carnage to new heights.

Tory Belleci and Streetbike Tommy meet the expert firefighters who use cutting-edge explosive technology to battle dangerous infernos; using the latest science, they'll find if the best antidote to fire is more fire.

Tory Belleci and Streetbike Tommy go behind the scenes at one of the world's largest fireworks companies to reveal the explosive secrets and cutting-edge innovations of its world-class pyrotechnics experts.

Team members join forces to put sayings viewers take for granted under the microscope.

The team dives into.

Adam and Jamie test three gun-related myths, including one from.

The guys investigate whether or not a farmer's trousers can suddenly explode. Hosts: Jamie Hyneman and Adam Savage.

Jamie and Adam explore the Exploding Lighter myth; they test whether a small, disposable butane lighter can ignite with the force of several dynamite sticks.

New discoveries reveal the truth behind the Loch Ness Monster, and experts investigate the world's most mysterious waters in search of evidence that a prehistoric monster could still be lurking in the deep.

New discoveries reveal the bloody origin of the feathered snake god, and experts investigate why the ancient Mesoamericans believed that human sacrifice was the only way to appease the deadly monster.

New discoveries reveal hard evidence showing that dragons were not just the stuff of nightmares, and experts use the latest science to explain why people believed in these wicked creatures.

Terrifying new discoveries reveal the bloody truth behind the legends of vampires, and experts investigate why people believed these monsters had a taste for human blood.

New discoveries suggest that a sea beast like the Kraken could have existed, and experts examine a strange monster that could give shocking answers into this underwater mystery.

New discoveries uncover the dark secrets of Egypt's strange half-man, half-lion beast, revealing why the pharaohs were so intent on transforming into this powerful and ferocious monster.

The latest science reveals that demons aren't just the stuff of horror stories, and as experts investigate shocking new archaeological evidence, they uncover the gruesome methods used to exorcise humans of demonic possessions.Guests: Joy Reidenberg, Margee Kerr, Brian Regal, Richard Schwab..

A new excavation at the mysterious home of the Minoans leads to a startling discovery about real-life origins of the Minotaur, and experts decode artifacts that point to bloody human sacrifices for the ferocious monster.Guests: Joy Reidenberg, Margee Kerr, Brian Regal, Richard Schwab..

Werewolves were once so feared, people suspected of the power were hunted and killed, but even so, many admitted that they could become these deadly creatures, and new evidence reveals why a powerful hallucinogenic drug could be to blame.Guests: Brian Regal, Joy Reidenberg, Richard Schwab..

In the remote Cagayan Valley of the Philippines, archaeologists discover the remains of an ancient rhinoceros; a Brazilian island is infested with thousands of deadly vipers; researchers uncover shocking human remains deep in a Kenyan cave.

In the Australian rain forests of Lake Eacham, a scientist discovers a mysterious mouse-like creature that glows in the dark; strange cylindrical tubes are uncovered in the forests of India; hundreds of human bones are found in a Belizean cave.

In the rain forests of Belize, researchers find a bizarre skeleton deep underground in a mysterious cave; an ancient city is discovered on a remote plateau in Cambodia; a strange coin is unearthed on the Wessel Islands of Australia.

In the jungles of southern Mexico, a rancher discovers dozens of skulls and bones on a cave floor; strange grass-covered domes are investigated in the Philippines; archaeologists uncover carved stone figures on the Hawaiian island of Kauai.

In the tropical lowlands of Northern Colombia, a team of scientists discover a massive, unidentified animal vertebra; dozens of jars packed with bones are uncovered in Cambodia; a strange rusted vehicle is found on the small island of Peleliu.

On the island of Madagascar, paleontologists discover an intact fossil unlike any known animal, living or extinct. Also, bizarre stone spheres are discovered in Costa Rica and the curious remains of a small man are found in Chiapas, Mexico.

In the jungles of southern Mexico, a rancher discovers dozens of skulls and bones on a cave floor; strange grass-covered domes are investigated in the Philippines; archaeologists uncover carved stone figures on the Hawaiian island of Kauai.

In the tropical lowlands of Northern Colombia, a team of scientists discover a massive, unidentified animal vertebra; dozens of jars packed with bones are uncovered in Cambodia; a strange rusted vehicle is found on the small island of Peleliu.

On the island of Madagascar, paleontologists discover an intact fossil unlike any known animal, living or extinct. Also, bizarre stone spheres are discovered in Costa Rica and the curious remains of a small man are found in Chiapas, Mexico.

In the rain forests of Belize, researchers find a bizarre skeleton deep underground in a mysterious cave; an ancient city is discovered on a remote plateau in Cambodia; a strange coin is unearthed on the Wessel Islands of Australia.

A new excavation at the mysterious home of the Minoans leads to a startling discovery about real-life origins of the Minotaur, and experts decode artifacts that point to bloody human sacrifices for the ferocious monster.Guests: Joy Reidenberg, Margee Kerr, Brian Regal, Richard Schwab..

Werewolves were once so feared, people suspected of the power were hunted and killed, but even so, many admitted that they could become these deadly creatures, and new evidence reveals why a powerful hallucinogenic drug could be to blame.Guests: Brian Regal, Joy Reidenberg, Richard Schwab..

The team tests Superhero gadgets including the grappling hook, the phantom ring punch and the phone booth change.

Adam and Jamie test to see if bullets fired up in the air can kill when falling back to earth.

Adam and Jamie build the mother of all cannons; nutritional value of breakfast cereal.

The processes of making belts, 3-D metal printers, detectable warning panels, and model Stirling engines.

The processes of making compression and extension springs, micro drill bits, skiffs, and painted glass backsplashes.

The processes of making fencing masks, books and ocean drone transformers.

The processes of making tin whistles, horn products, and Formula F race cars.

Ski goggles; tower cranes; porcelain figures; diesel engines.

Stuffed olives; astrolabes; western saddles.

Custom running shoes; axes; racing karts; animatronics.

Headphones; diving regulators; reflector light bulbs.

Decorative sombreros; salad dressings; cap guns, regenerative medicine.

Cheese graters; hot sauce; silver jewelry; traditional Mexican chairs.

Game calls; mayonnaise; traditional razor blades; butterfly safety razors.

Corn tortillas; crankshafts & camshafts; bush planes; aluminum bike wheels.

The sacred city of Nippur and the world's only ziggurat contain elusive mysteries to the ancient Sumerian people; now, archaeologists armed with pioneering tech are on a quest to reveal the secrets behind the earliest known civilization in history.

The ancient city of Abydos contains some of the oldest Egyptian tombs and a buried temple linked to a mysterious death cult; now, archaeologists use cutting-edge drone imaging to investigate long-hidden secrets behind the first pharaohs.

The legendary metropolis of Xanadu and its fabled existence have mystified experts for centuries; archaeologists use cutting-edge aerial imaging to investigate new discoveries and reveal the truth behind this mythical lost city.

The coliseums of Rome were brutal theaters of spectacle and death that helped control the sprawling Roman empire; now, archaeologists uncover the engineering secrets behind these majestic structures to reveal the truth behind the ancient Roman world.

The downfall of the powerful Maya city of Palenque continues to mystify archaeologists today; now, investigators gain rare access to explore lost tombs to reveal the truth behind this legendary city and the mystery behind its enigmatic queens.

The ancient city of Samarra contains a series of medieval structures that hold secrets to one of the world's greatest empires; archaeologists use pioneering technology to investigate its astonishing rise to power and reveal its monumental downfall.

Experts use the latest forensic archaeology to investigate the true story behind the disappearance of more than 100 English colonists who settled on Roanoke Island in 1587.

A colossal stone temple on a remote Egyptian island mysteriously bears the names of the most famous leaders of the ancient world; now, experts use cutting-edge tech to investigate why pharaohs and emperors all built monuments at this enigmatic site.

Experts use the latest forensic archaeology to investigate the true story behind the disappearance of more than 100 English colonists who settled on Roanoke Island in 1587.

A colossal stone temple on a remote Egyptian island mysteriously bears the names of the most famous leaders of the ancient world; now, experts use cutting-edge tech to investigate why pharaohs and emperors all built monuments at this enigmatic site.

The ancient city of Samarra contains a series of medieval structures that hold secrets to one of the world's greatest empires; archaeologists use pioneering technology to investigate its astonishing rise to power and reveal its monumental downfall.

The ancient city of Abydos contains some of the oldest Egyptian tombs and a buried temple linked to a mysterious death cult; now, archaeologists use cutting-edge drone imaging to investigate long-hidden secrets behind the first pharaohs.

The legendary metropolis of Xanadu and its fabled existence have mystified experts for centuries; archaeologists use cutting-edge aerial imaging to investigate new discoveries and reveal the truth behind this mythical lost city.

Astronaut Leroy Chiao's spacewalk is interrupted by bright lights flying past; a flying saucer is photographed from the Apollo.

A distant planet shows an Earth-like atmosphere; a glowing light suggests an atmosphere on the Moon; why there are blueberries on Mars.

Three cosmonauts mysteriously die as they re-enter Earth's atmosphere and NASA needs to know why; a declassified document shows a CIA plan to use a space disaster as a cover to start World War 3.

Scientists use cutting-edge technology to stop an asteroid apocalypse; mankind comes closer to keeping Earth safe from killer space rocks.

Spacetime is the secret structure that controls our universe, and this strange four-dimensional substance controls time, light, and energy; it will also determine how our universe will end.

After seizing power in 1933, Adolf Hitler began systematically transforming a peaceful German population into a ruthless war machine; experts investigate the innovative methods used by the Nazis to indoctrinate and control the will of its citizens.

Mary Magdalene played a pivotal role in early Christianity and witnessed the execution and resurrection of Jesus Christ; experts investigate the truth behind her mysterious disappearance and embark on a quest to locate her undiscovered remains.

The ancient site of Gobekli Tepe is the oldest building complex ever discovered and continues to baffle archaeologists today; now, experts investigate new theories behind its enigmatic construction as a possible commemoration to a cataclysmic event.Guests: Lionel Fanthorpe..

A subterranean Neolithic temple discovered on the island of Malta contains the skeletal remains of thousands of humans; experts use forensic archaeology to investigate elongated skulls that may unlock the secrets of an advanced, lost civilization.Guests: Lionel Fanthorpe..

Uncover the true stories surrounding great treasures, long-held conspiracy theories, ancient relics and lost civilizations as experts analyze and investigate history's most astonishing mysteries.Guests: Lionel Fanthorpe..

The enigmatic shipwrecks of El Faro and the Empress of Ireland occurred a century apart and both remain a mystery of the sea; armed with the latest technology, experts explore these doomed ships to discover what set them on the path to catastrophe.

Countless shipwrecks lost in the depths of the oceans are time capsules containing tales of adventure and tragedy; now, marine experts hunt to locate these forgotten ships, explore their secrets and unlock their incredible stories.

More than 50 massive warships were lost in a matter of hours in the Scottish natural harbor of Scapa Flow during World War I; now, marine archaeologists use cutting-edge technology to explore one of the greatest acts of defiance in wartime history.

The aerial bombardment of the Japanese fleet and the torpedo strike of the Wilhelm Gustloff are two of the most shocking attacks of WWII; expert divers explore these underwater graveyards for new evidence of these maritime conflicts.

The USS Arizona and the HMS Hood were two of the most powerful warships in history, but their weaknesses paid a fatal price; experts investigate evidence that may reveal why the age of the battleship has come to a sudden and violent end.

For over a century, the stories and wrecks of HMS Hampshire and HMS Vanguard continue to be shrouded in mystery; two research teams are granted special access to investigate and uncover what happened to these WWI warships in their final moments.

As shipwrecks of World War II continue to erode in the sea, their toxic cargoes continue to pose a catastrophic threat; now, experts use cutting-edge tech to investigate and reveal the potential impact of these noxious underwater dangers.

The USS Arizona and the HMS Hood were two of the most powerful warships in history, but their weaknesses paid a fatal price; experts investigate evidence that may reveal why the age of the battleship has come to a sudden and violent end.

For over a century, the stories and wrecks of HMS Hampshire and HMS Vanguard continue to be shrouded in mystery; two research teams are granted special access to investigate and uncover what happened to these WWI warships in their final moments.

As shipwrecks of World War II continue to erode in the sea, their toxic cargoes continue to pose a catastrophic threat; now, experts use cutting-edge tech to investigate and reveal the potential impact of these noxious underwater dangers.

The aerial bombardment of the Japanese fleet and the torpedo strike of the Wilhelm Gustloff are two of the most shocking attacks of WWII; expert divers explore these underwater graveyards for new evidence of these maritime conflicts.

Uncover the true stories surrounding great treasures, long-held conspiracy theories, ancient relics and lost civilizations as experts analyze and investigate history's most astonishing mysteries.Guests: Lionel Fanthorpe..

The enigmatic shipwrecks of El Faro and the Empress of Ireland occurred a century apart and both remain a mystery of the sea; armed with the latest technology, experts explore these doomed ships to discover what set them on the path to catastrophe.

A piece of the sun seems to have vanished; the Hubble spots an unidentified object traveling faster than light.

A NASA astronaut reports seeing a flying saucer in the skies above a U.S. Air Force test range; how the swirling gases of Saturn have formed a perfect hexagon that has hovered above the planet's pole for 30 years.

Two astronauts trapped in the vacuum of space face a horrible death; the first close up images of Pluto show an alien landscape; residents of Houston struggle to explain videos of unidentified flying lights captured above their city at night.

Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways, and the discoveries they make are revealing the universe's greatest mysteries.

The Rosetta mission is a groundbreaking expedition to land on a comet for the very first time; special access reveals what this cutting-edge journey discovers and how these mysterious objects help create life on Earth.

Investigating whether a gold death mask is the face of a king who fought in the Trojan Wars; three ancient chalk carvings could be the secret to constructing Stonehenge; how a printing plate from the UK Treasury ended up in an Austrian lake.

Containing intricately carved concentric circles, the Towie Ball is one of the finest Neolithic stoneworks ever discovered; using cutting-edge imaging technology, experts investigate the purpose behind this 5,000-year-old black stone mystery.

The shattered skull of a 19th century railway worker is now one of the most astonishing objects in the history of medical science; experts explore this traumatic injury to reveal how it changed the field of neuroscience.

Investigating whether a machine can read personalities; an ancient golden mask painted with human blood; a cursed chicken pot.

Discovered in the ruins of the ancient city of Ur, a mysterious wooden box adorned with an elaborate mosaic continues to mystify archaeologists today; experts explore the meaning behind its intricate and enigmatic images.

A bronze disk adorned with gold may contain the oldest images of the cosmos ever discovered.

Hidden away in museums, laboratories and storage rooms around the world are the most remarkable and mysterious objects on Earth, and using the latest research and technology, experts investigate these incredible artifacts to uncover their secrets.

Cameras capture footage of millions of strange creatures invading a church, and some wonder if it's evidence of a grisly buried secret.

Cameras capture something shocking in a cemetery: empty graves, as if the dead walked out in the middle of the night; using cutting-edge tech, experts investigate what's behind this apparent evidence of zombie activity.

Cameras capture footage of a highway swarmed with snake-like creatures and an unexplained ooze; the latest tech reveals where they came from and their top-secret purpose.

When cameras capture footage of a man who appears to lay an egg, some experts wonder if it's evidence that scientists created a human-reptile mutant through gene manipulation; using cutting-edge tech, investigators put this theory to the test.

Cameras capture footage of a ghostly figure in the window of Pablo Escobar's abandoned luxury building, mere moments before it is demolished, and some believe it was the notorious drug lord himself.

When cameras capture footage of a strange, blob-like alien in the Amazon jungle, some experts suspect that the origins of this monster are stranger-than-fiction; using cutting-edge science, investigators try to explain this bizarre beast.

When cameras capture footage of a man who appears to lay an egg, some experts wonder if it's evidence that scientists created a human-reptile mutant through gene manipulation; using cutting-edge tech, investigators put this theory to the test.

Cameras capture footage of a ghostly figure in the window of Pablo Escobar's abandoned luxury building, mere moments before it is demolished, and some believe it was the notorious drug lord himself.

When cameras capture footage of a strange, blob-like alien in the Amazon jungle, some experts suspect that the origins of this monster are stranger-than-fiction; using cutting-edge science, investigators try to explain this bizarre beast.

Cameras capture footage of a highway swarmed with snake-like creatures and an unexplained ooze; the latest tech reveals where they came from and their top-secret purpose.

A bronze disk adorned with gold may contain the oldest images of the cosmos ever discovered.

Hidden away in museums, laboratories and storage rooms around the world are the most remarkable and mysterious objects on Earth, and using the latest research and technology, experts investigate these incredible artifacts to uncover their secrets.

Spaceships powered by atomic bombs; artificial rings encircle an entire star; Neil Armstrong's transmission feed cuts off when he spots strange lights on the moon; how can lightning talk to itself.

A NASA probe captures an image of a familiar structure on Mars' surface.

Recently discovered documents show NASA's secret plan B for failure of the first moon landing; a Soyuz capsule carrying NASA astronaut Peggy Whitson back to Earth goes missing; NASA's Cassini mission unravels a three hundred year old.

Galaxies are locked in continual combat across the universe, and the Milky Way will face its biggest opponent ever, the Andromeda Galaxy, in a titanic and deadly struggle that could create a new and unrecognizable super galaxy.

The hidden kingdom of microscopic alien organisms shapes the universe as much as galaxies, stars, and planets; new discoveries reveal how bacteria, viruses and other micro-organisms built life on Earth and influence humanity's future in the cosmos.

Rome's Colosseum is the most famous stadium on the planet, and it took cutting-edge engineering and a fallen emperor to build it; experts use the latest tech and modern-day science to reveal if building it a second time would be just as difficult.

The Great Wall of China is one of the world's greatest engineering marvels, and it took dangerous, cutting-edge construction to build it; experts use the latest tech and modern-day science to reveal if building it a second time would be as deadly.

New York's Brooklyn Bridge might be the most important bridge in the world, and it took dangerous, cutting-edge engineering to built it; experts use the latest tech and modern-day science to reveal if building it a second time would be as deadly.

Egypt's Great Pyramid is one of the world's greatest and most mysterious marvels, and using cutting-edge tech and the latest engineering innovations, experts reveal what it would take to build the ancient wonder today.

Rome's aqueducts are one of the greatest engineering marvels in history, and it took dangerous, cutting-edge construction to build them; experts use the latest tech and modern-day science to reveal if building them a second time would be as deadly.

Rome's Pantheon hides the secret to the Roman Empire's power, and it took dangerous, cutting-edge engineering to build it. Experts use the latest tech and modern-day science to reveal if building it a second time would be just as deadly.

New science reveals the inside story of the Apollo 13 disaster, and using the latest evidence, experts reveal what really went wrong and how NASA saved the lives of the three astronauts stranded in space in a life-or-death race against the clock.

Rocking suspension bridge.

When a dam breaks during routine maintenance, engineers fear a catastrophic flood; experts use the latest science to investigate what went wrong and how a simple miscalculation could be to blame.

An oil rig in a Louisiana lake drills in the wrong place and causes a massive whirlpool that drains the entire lake; exploring why this sinkhole disaster was one of the greatest engineering catastrophes in American history.

When the innovative design of an iconic Chicago skyscraper leads to tragedy, experts must apply cutting-edge tech and the latest engineering methods to fix an urgent, life-or-death problem.

The Genoa bridge collapse takes down a symbolic crossing and becomes one of Italy's deadliest engineering disasters; experts investigate and uncover years of slow deterioration to the structure's heavily corroded concrete encased cables.

An unprecedented cycle of freezing and thawing causes dramatic destruction to a landmark bridge in Pennsylvania; experts investigate and reveal how a sudden surge of icy flood water buckled pier foundations weakened from years of erosion.

When the innovative design of an iconic Chicago skyscraper leads to tragedy, experts must apply cutting-edge tech and the latest engineering methods to fix an urgent, life-or-death problem.

The Genoa bridge collapse takes down a symbolic crossing and becomes one of Italy's deadliest engineering disasters; experts investigate and uncover years of slow deterioration to the structure's heavily corroded concrete encased cables.

An unprecedented cycle of freezing and thawing causes dramatic destruction to a landmark bridge in Pennsylvania; experts investigate and reveal how a sudden surge of icy flood water buckled pier foundations weakened from years of erosion.

An oil rig in a Louisiana lake drills in the wrong place and causes a massive whirlpool that drains the entire lake; exploring why this sinkhole disaster was one of the greatest engineering catastrophes in American history.

Rome's Pantheon hides the secret to the Roman Empire's power, and it took dangerous, cutting-edge engineering to build it. Experts use the latest tech and modern-day science to reveal if building it a second time would be just as deadly.

New science reveals the inside story of the Apollo 13 disaster, and using the latest evidence, experts reveal what really went wrong and how NASA saved the lives of the three astronauts stranded in space in a life-or-death race against the clock.

Life may have been found on Mars; mysterious Moon Pigeons.

When the Soviet Union unveils its own space shuttle, the CIA hatches a secret revenge plot; recent discoveries shed new light on the destruction of Sodom and Gomorrah; a missing nuclear weapon could threaten a NASA base in the Arctic.

Neil Armstrong enters an unexplained spin; an Apollo 17 photo seems to show a US military outpost on the Moon; possible alien life swimming in the oceans of Jupiter's moons.

Neutrinos are the most mysterious particles in the universe, and they power some of the most explosive events in the cosmos; new discoveries reveal how these ghosts pass through objects undetected and why they could be the reason humans exist.

The galaxy is full of stars ready to explode into supernovas, a stellar detonation powerful enough to destroy all life on Earth; it's an event that hasn't occurred in 400 years, and the search is on to locate which star may be next.

The Roanoke colony vanishes without a trace, and centuries later, it remains one of history's greatest unsolved mysteries; but new evidence might at last reveal its fate; after a man is swallowed by earth, experts wonder if a sinkhole is to blame.

In 2009, an Air France flight goes missing, and investigators discover this tragedy could happen again; after a huge area of Siberian forest is destroyed, investigators race to find the culprit; new evidence might solve this century-old mystery.

Atlantis is one of the most famous disappearances of all time; after thousands of years, state-of-the-art technology might finally be able to crack this ancient mystery; after nine hikers die in a gruesome cold case, new science provides a hot lead.

New technology reveals lost cities in inhospitable jungle; researchers wonder if the mythical city of El Dorado could be the next discovery; after a crystal is found on a shipwreck, experts believe it could prove how the Vikings discovered America.

In 1962, three convicts attempt the impossible and escape from Alcatraz prison; officials believe the men drowned, but a new scientific experiment suggests they made it to shore.

A haunted prison that once housed America's most notorious criminals stands in ruin today, and experts reveal evidence of ghostly secrets hidden in the crumbling jailhouse walls.

A stronghold in Panama defends a prized American possession; a mad scientist shares a herbal remedy from his hilltop castle; a ghostly German railroad divides a fractured city, and a Bulgarian mountain retreat offers hope to its residents.

A fantasy land lies in the heart of Alabama; a place of refuge in Ireland becomes a house of horrors; a South Korean city is scarred by a violent crackdown; traces of a brutal industry remain along the arid Namibian coast.

An abandoned system of caves was once the meeting place of a secret society that worshiped Satan and performed black magic, and new discoveries at this mysterious site reveal what really happened here and why a founding father was a frequent guest.

An island of dense jungle is home to an abandoned complex with a dark past of bloodshed and rebellion, and new discoveries at this deserted place reveal why it was built and the gruesome circumstances of its downfall.

A one-time fairytale castle is rumored to be haunted; experts investigate the secrets and ghostly stories of this eerie fortress.

In a remote Louisiana swamp, the ruins of a massive industrial operation suggest that something evil once happened there; new discoveries at the eerie site reveal what the abandoned buildings were for, and why they were deserted.

A research complex housing two enormous satellites is now mysteriously derelict in the rural expanse of Woodbury, Ga.; experts investigate and uncover a facility where planetary scientists explored possible evidence of extraterrestrial intelligence.

A one-time fairytale castle is rumored to be haunted; experts investigate the secrets and ghostly stories of this eerie fortress.

In a remote Louisiana swamp, the ruins of a massive industrial operation suggest that something evil once happened there; new discoveries at the eerie site reveal what the abandoned buildings were for, and why they were deserted.

A research complex housing two enormous satellites is now mysteriously derelict in the rural expanse of Woodbury, Ga.; experts investigate and uncover a facility where planetary scientists explored possible evidence of extraterrestrial intelligence.

An island of dense jungle is home to an abandoned complex with a dark past of bloodshed and rebellion, and new discoveries at this deserted place reveal why it was built and the gruesome circumstances of its downfall.

A haunted prison that once housed America's most notorious criminals stands in ruin today, and experts reveal evidence of ghostly secrets hidden in the crumbling jailhouse walls.

A stronghold in Panama defends a prized American possession; a mad scientist shares a herbal remedy from his hilltop castle; a ghostly German railroad divides a fractured city, and a Bulgarian mountain retreat offers hope to its residents.

A photograph depicts two suns in the sky over Indonesia; ghostly white swirls on the moon's surface baffle NASA scientists; an astronaut disappears during his return to Earth.

Cosmonauts are trapped in a capsule in a frozen lake; a NASA scientist investigates the Hindenburg; the full moon affects experiments.

When a Chinese moon rover breaks down, a scientist at NASA points to a mysterious material that seemed to sabotage the Apollo missions decades earlier; the Rosetta spacecraft discovers a comet that appears to be singing.

An explosion in the discovery of exoplanets is challenging everything we know about our universe; experts use cutting-edge astronomy to investigate these mysterious alien worlds and how they defy the laws of physics.

A brand-new NASA mission to the sun reveals cutting-edge discoveries about Earth's star; as the Parker Solar Probe dives through the sun's atmosphere, its findings challenge everything known about this strange place.

A strange underground system known as the Black Cave is connected to a fairytale castle and was home to an infamous nobleman on the run from the law; experts investigate the secrets he left here to discover new parts of this mysterious network.

A mysterious cave system is home to some of the oldest human remains ever discovered, and today, the explorers and researchers investigating this site are uncovering shocking evidence of cannibalism among its Ice Age denizens.

A labyrinth of vast tunnels in the French countryside has served as a secret hideout during wartime for centuries, and on its walls, experts have discovered the final confessions of soldiers who fought during one of the deadliest days of World War I.

Caverns hidden deep inside a remote mountain are home to a precious mineral found nowhere else on Earth; experts and treasure hunters use cutting-edge technology to follow rumors of a mysterious long-lost mine in search of a payday.

A hidden, subterranean city built within the Rock of Gibraltar is an immense fortress to control the seas during World War II; new discoveries reveal the secrets of a long-lost chamber with evidence of high-stakes espionage.

A buried ancient city hidden five-stories underground can house 3,000 people in secret; experts use the latest tech to reveal the truth behind this strange place.

A strange, centuries-old labyrinth built into an abandoned quarry was built by an eccentric millionaire, and no one knows why; but now, a new excavation into this mysterious 9,000-foot tunnel system might finally reveal its dark secrets.

When investigators spot strange anomalies in the Amazon jungle, the discovery stokes rumors of a long-lost Nazi base in the Americas.

When satellite images reveal spot a strange white substance in the land of the Aztecs, experts investigate the site for extraterrestrial connections; what they find could explain the rise of one of the world's greatest civilizations.

Satellite images reveal a long-lost village buried in a dense forest; archaeologists investigate and uncover a mysterious gravesite with the remains of decapitated skeletons and possible evidence of vampire burials.

Satellites capture evidence of a mysterious structure in a remote and rocky area of Hawaii; when experts investigate, what they find could point to human sacrifices and the wrath of a shape-shifting god.

New evidence reveals dozens of bizarre circular structures buried in the remote hills of Norway; an expert investigation uncovers a mysterious burial ground that may have been a portal to the Viking spiritual realm.

Satellite images capture bizarre structures in the remote and inhospitable swamplands of Louisiana; experts investigate a forgotten war-torn fortress with a mysterious connection to the sinking ruins of a classified military installation.

Satellites capture evidence of a mysterious structure in a remote and rocky area of Hawaii; when experts investigate, what they find could point to human sacrifices and the wrath of a shape-shifting god.

New evidence reveals dozens of bizarre circular structures buried in the remote hills of Norway; an expert investigation uncovers a mysterious burial ground that may have been a portal to the Viking spiritual realm.

Satellite images capture bizarre structures in the remote and inhospitable swamplands of Louisiana; experts investigate a forgotten war-torn fortress with a mysterious connection to the sinking ruins of a classified military installation.

Satellite images reveal a long-lost village buried in a dense forest; archaeologists investigate and uncover a mysterious gravesite with the remains of decapitated skeletons and possible evidence of vampire burials.

A buried ancient city hidden five-stories underground can house 3,000 people in secret; experts use the latest tech to reveal the truth behind this strange place.

A strange, centuries-old labyrinth built into an abandoned quarry was built by an eccentric millionaire, and no one knows why; but now, a new excavation into this mysterious 9,000-foot tunnel system might finally reveal its dark secrets.