When catastrophe strikes Skylab, life on Earth is threatened by a space station cratering toward the planet, and NASA experts use cutting-edge technology to reveal what went wrong and if disaster can be averted.

A skyscraper raining deadly bolts on the streets below, a highway on the brink of collapse, and a catastrophic landslide are engineering crises in need of repair, and experts use the latest science to reveal what went wrong.

An abandoned Vegas-style getaway with a deadly secret; a ghost town sinking into the earth; a passenger train on a course for disaster.

When catastrophe strikes Skylab, life on Earth is threatened by a space station cratering toward the planet, and NASA experts use cutting-edge technology to reveal what went wrong and if disaster can be averted.

A detonated building mysteriously refuses to fall, an American ghost town with a deadly legacy, and wind turbines on the brink of disaster are engineering disasters in need of repair, and experts reveal what went wrong and if they can be fixed.

The F-35 is the most advanced fighter jet on the planet, and special access into the most expensive military program ever reveals how engineers use cutting-edge technology to outfit this 1,200 mile-per-hour aircraft with a stealth system.

The world's largest heavy-lift ship can carry entire cruise ships halfway across the globe without stopping, and to do this, experts use cutting-edge maritime engineering and the latest science for herculean strength and first-class maneuverability.

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.

Lost tapes show that Apollo astronauts heard unexplained transmissions on the far side of the moon; an amateur astronomer finds an odd disturbance in Martian atmosphere; an unidentified object in Earth orbit starts stalking Russian spacecraft.

Apollo 12 astronauts bring back something alive from the moon; NASA tracks an asteroid heading towards Earth but make an incredible discovery.

For years, scientists suspected that the oceans came from molecules delivered to Earth from distant stars by asteroids, but a new discovery suggests that their true origins may be more exotic.

The incredible secrets of the moon are revealed; the moon might be responsible for life on Earth.

Discoveries of new planets have revealed countless worlds much stranger than Earth; some of these strange worlds don't have stars and others are made out of diamonds.

Deep beneath the streets of Cincinnati lies a network of deserted tunnels and caverns that contain a remarkable history of the city's origins, and now, experts investigate to reveal who built this underground labyrinth and why it was abandoned.

Descending more than 200 feet beneath the Arizona bedrock lies the largest dry cave system in North America; experts explore this vast subterranean network to reveal the mysteries and undiscovered treasure that remain hidden within its walls.

Hidden beneath the town of Ramsgate, England, lies a hidden network of over three miles of air raid tunnels; experts investigate and uncover an extensive WWII bomb shelter that became a permanent refuge for many civilians after a devastating attack.

The top-secret construction of a massive nuclear bunker remained concealed under a palatial West Virginia hotel for decades; experts reveal how this vast subterranean structure was one of the most closely guarded Cold War secrets in U.S. history.

The longest known cave system in the world spans hundreds of miles beneath the hills of Kentucky, and containing prehistoric artifacts and ancient human remains, experts reveal a subterranean mystery that may have changed the course of U.S. history.

Buried nearly a mile beneath the Black Hills of South Dakota is a cutting-edge laboratory at the forefront of astonishing scientific research; experts reveal advancements engineers achieved more than a century ago that keep it operating today.

Abandoned engineering projects include a classified Soviet machine built to prevent all-out nuclear war, a top-secret Nazi facility, and a strange tower that left an enduring legacy.

Some of the world's most incredible engineering projects are now deserted; Explore what happened to a cutting-edge research complex built by a visionary genius; an ambitious Nazi project that met a sinister end; a Cold War relic that changed history.

Stories of incredible engineering projects now deserted, including a massive military site that was once a hotbed for nuclear testing, a top-secret airbase hidden inside a mountain, and an otherworldly power plant.

An abandoned town in the Nevada desert is the ruins of an American Atlantis, destroyed by catastrophic floods when the Hoover Dam was built; experts investigate the secrets of this eerie ghost town as water levels recede and the city reemerges.

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.

At an infamous prison in the Amazon, dangerous criminals faced hard labor, a hostile environment and death by guillotine; today, it's deserted and new discoveries reveal why this hellish compound was built and abandoned.

An abandoned town in the Nevada desert is the ruins of an American Atlantis, destroyed by catastrophic floods when the Hoover Dam was built; experts investigate the secrets of this eerie ghost town as water levels recede and the city reemerges.

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.

At an infamous prison in the Amazon, dangerous criminals faced hard labor, a hostile environment and death by guillotine; today, it's deserted and new discoveries reveal why this hellish compound was built and abandoned.

Stories of incredible engineering projects now deserted, including a massive military site that was once a hotbed for nuclear testing, a top-secret airbase hidden inside a mountain, and an otherworldly power plant.

The longest known cave system in the world spans hundreds of miles beneath the hills of Kentucky, and containing prehistoric artifacts and ancient human remains, experts reveal a subterranean mystery that may have changed the course of U.S. history.

Buried nearly a mile beneath the Black Hills of South Dakota is a cutting-edge laboratory at the forefront of astonishing scientific research; experts reveal advancements engineers achieved more than a century ago that keep it operating today.

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.

Astronauts evacuate when a mystery object hurtles toward the ISS; a NASA secret agent goes undercover to retrieve missing moon rocks; scientists struggle to find answers when they discover a huge void at the edge of the solar system.

Evidence of alien technology around a distant star; speculation about Pluto's surface; Apollo astronauts are at a loss of words to describe an object they encountered while they approached the moon.

The heart of the M87 supermassive black hole, the first and only black hole ever photographed; the mystery of how it grew so large, what lies inside, and how it controls the entire galaxy.

Investigating the mysterious pattern of rocks at the bottom of Lake Michigan known as Underwater Stonehenge; at the notorious Alcatraz prison, Rob uses state-of-the-art technology in search of rumored escape tunnels.

Exploring mysterious tunnels beneath Denver's airport, capitol building and downtown to investigate rumors of a secret organization that operates below; in Ohio, trying to uncover the ancient secrets of a giant mound shaped like a serpent.

Examining a set of bizarre markings that suggest a violent clash between prehistoric beasts; in California, Rob investigates to see if a strange lake is a home to alien life.

Heading to California to investigate a network for major fault lines that could set off an unprecedented mega-quake; he explores a mysterious sinkhole that some believe is an endless pit to the center of the Earth.

Hunting for a legendary mass grave that could expose a dark secret of America's industrial past; using cutting-edge technology to find out why a giant lake is mysteriously disappearing high in the mountains.

Investigating rumors of a secret underground escape route used by the infamous gangster Al Capone; trying to uncover who or what built a vast landscape of earthen mounds in Washington state.

Descending into a cave 30 feet beneath Texas in search of evidence of a mass extinction event; heading to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries.

A meteorite dagger found in the tomb of King Tut; a massive swastika found in the desert near Roswell, N.M.; using satellites to hunt for Joseph Kony.

A strange mass breaches surface of an ocean near Antarctica, sparking rumors of a mythological sea monster; an area of the US-Mexico border becomes an international mystery; ancient rock carvings in a remote mountain range depict unearthly beings.

An amateur archaeologist finds strange symbols scratched into the Kazakhstan desert; CIA surveillance photographs show what appears to be a giant Star of David on the island of Cuba; a lake in the Brazilian rain forest turns bright pink.

A heavily armored force takes over one of Syria's most ancient archaeology sites, prompting fears that its relics are being stolen; tanks appear to be facing off in Antarctica next to an unworldly object; a water reservoir in LA suddenly turns black.

A giant letter Z is carved into a Mexican hillside, evoking the mark of a legendary outlaw; a strange sighting in Germany points to secrets from the Cold War; Massive, blood-red marks in China prompt fears of a violent government crackdown.

A vast structure buried in the sands near the legendary city of Petra points to a bloody past; when terrorists kidnap more than 200 schoolgirls in northern Nigeria, rescuers use satellites to track them down.

A heavily armored force takes over one of Syria's most ancient archaeology sites, prompting fears that its relics are being stolen; tanks appear to be facing off in Antarctica next to an unworldly object; a water reservoir in LA suddenly turns black.

A giant letter Z is carved into a Mexican hillside, evoking the mark of a legendary outlaw; a strange sighting in Germany points to secrets from the Cold War; Massive, blood-red marks in China prompt fears of a violent government crackdown.

A vast structure buried in the sands near the legendary city of Petra points to a bloody past; when terrorists kidnap more than 200 schoolgirls in northern Nigeria, rescuers use satellites to track them down.

An amateur archaeologist finds strange symbols scratched into the Kazakhstan desert; CIA surveillance photographs show what appears to be a giant Star of David on the island of Cuba; a lake in the Brazilian rain forest turns bright pink.

Investigating rumors of a secret underground escape route used by the infamous gangster Al Capone; trying to uncover who or what built a vast landscape of earthen mounds in Washington state.

Descending into a cave 30 feet beneath Texas in search of evidence of a mass extinction event; heading to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries.

The team examines viral videos from the internet; they try to find out if people truly believe what they see.

Adam and Jamie test ninja myths; they try to determine whether the one-inch punch really works and if a ninja can catch an arrow in mid-air.

Adam and Jamie test an Indiana Jones myth; Kari, Grant and Tori try to break out of prison.

The team tests if NASA really did land on the Moon.

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.

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.

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 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.

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.

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.

Saturn is the the crown jewel of the solar system, and using the latest discoveries, some of the world's top experts seek to unravel the mystery of why its extensive ring system exists and if any of its many moons could harbor alien life.

The story of how an underground group of scientists took on the establishment to send a spacecraft to Pluto, the most distant world ever seen up-close.

The world's top space scientists use stunning images from space to reveal the secrets that the planets have kept for billions of years.

The story of how humans built machines that not only survived the perils of Jupiter, a massive and dangerous planet surrounded by a wreath of deadly radiation, but revealed its innermost secrets.

A team of scientists launch a probe to touch the sun and make a surprise discovery on the tiny planet Mercury.

Venus is a hellish alien world believed to be impossible to extraterrestrial life; but new discoveries reveal shocking evidence within its deadly atmosphere and on its strange surface, all pointing to a possible future for planet Earth.

Humanity's conquest of Mars became a reality with the Viking missions of the 1970s, and some experts believe that evidence gathered from these incredible explorations proves that there was once life on the Red Planet.

A look at how asteroids and comets have endured unimaginable periods of time and revealed the origins of the solar system.

Venus is a hellish alien world believed to be impossible to extraterrestrial life; but new discoveries reveal shocking evidence within its deadly atmosphere and on its strange surface, all pointing to a possible future for planet Earth.

Humanity's conquest of Mars became a reality with the Viking missions of the 1970s, and some experts believe that evidence gathered from these incredible explorations proves that there was once life on the Red Planet.

A look at how asteroids and comets have endured unimaginable periods of time and revealed the origins of the solar system.

A team of scientists launch a probe to touch the sun and make a surprise discovery on the tiny planet Mercury.

Saturn is the the crown jewel of the solar system, and using the latest discoveries, some of the world's top experts seek to unravel the mystery of why its extensive ring system exists and if any of its many moons could harbor alien life.

The story of how an underground group of scientists took on the establishment to send a spacecraft to Pluto, the most distant world ever seen up-close.

Adam and Jamie try to turn a conventional electric stun gun into a water-powered electric stun gun.

Jamie, Adam and Kari apply science to the theory that the more they drink, the more attractive they find the opposite sex.

Adam and Jamie take a fan mail film and use it to dial in on a phone book fable; the rest of the team test a fishy tale of Hollywood pyrotechnics with their own big bang theories.

Plastic injection moulds, automotive oil filters, filing cabinets, blown glass.

High precision cutting tools; stained glass; semi trailers; recorders.

Conga drums; metal plating; buttons.

Grinding wheels; compost; window blinds; milk.

Pentanque ball; biologic medicines; asphalt pavers; basques espadrilles.

Leather basketballs; flood gates; wood panel canvases; shoelaces.

Power steering pumps; Asian bowl meals; walking canes.

Lab extractors; custom-made chandeliers; power trainers; coffee pods.

Prams: factory built homes; wood flutes; bicycle tires.

An insight into the production process for thinning shears, wagon wheels, toaster pastries and violin bows.

Iron bathtubs; hopi kachina dolls; mine truck engine.

An insight into the manufacturing and production process for oil and encaustic paints, marine plywood and cycling shoes.

Nearly a decade after the ancient site of Nimrud was destroyed by terrorists, experts return to salvage the wreckage; archaeologists piece together the remaining ruins to reveal the origins and brutal decline of a lost empire.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

The legendary city of Kish, Iraq, lies at the cradle of human civilization and home to some of the world's first kings; using cutting-edge tech, experts investigate the buried secrets of this lost city to uncover the first origins of royalty.

Hadrian's Villa is the largest Roman palace ever constructed and demonstrates the opulent peak of Rome's ancient engineering; experts investigate secrets that could reveal the truth behind one of Rome's most enigmatic emperors.

Along with Pompeii, the devastating eruption of Mount Vesuvius left another mysterious Roman settlement buried beneath its ashes; experts reveal new evidence of an ancient civilization and history's most infamous disaster.

The Pantheon is a 2,000-year-old temple with a secret; using cutting-edge archaeological methods and brand-new evidence, experts look beneath the streets of Rome to find out why it was built and how it survived so long.

Archaeologists scan the uncharted jungles of Southeast Asia to uncover the rise and fall of the medieval Khmer Empire.

A prehistoric mega-structure emerges from the sands of an English shore that could reveal lost mysteries of the Bronze Age; using pioneering technology and 3D imaging analysis, experts uncover dark, ancient rituals once performed here.

Archaeologists scan the uncharted jungles of Southeast Asia to uncover the rise and fall of the medieval Khmer Empire.

A prehistoric mega-structure emerges from the sands of an English shore that could reveal lost mysteries of the Bronze Age; using pioneering technology and 3D imaging analysis, experts uncover dark, ancient rituals once performed here.

The Pantheon is a 2,000-year-old temple with a secret; using cutting-edge archaeological methods and brand-new evidence, experts look beneath the streets of Rome to find out why it was built and how it survived so long.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

The legendary city of Kish, Iraq, lies at the cradle of human civilization and home to some of the world's first kings; using cutting-edge tech, experts investigate the buried secrets of this lost city to uncover the first origins of royalty.

The discovery of geysers on a moon; NASA's mission to detect life; an object is spotted approaching an asteroid.

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.

Scientists wonder why Jupiter is hotter than it should be; the Curiosity Rover finds something strange on Mars; detectives turn to NASA for help with a murder cold case.

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 the mysterious group known as the Illuminati is an actual secret society operating in the shadows or simply the invention of conspiracy theorists.

Exploring the many different interpretations of the legendary relic, the possibility of its actual existence, and where it might be located.

Investigating the claim that the Nazis created a flying saucer at a secluded research facility, and that the United States and Russia obtained the secret technology after World War II.

Investigating the mysterious figures in Greek society known as oracles, who reputedly spoke the word of the gods.

Enigmatic inventor Nikola Tesla, who was responsible for many electrical and radio advancements, dies in poverty and under FBI suspicion.

Jamie Theakston investigates Johann Reichhart, a German executioner who killed approximately 3,000 people during World War II.

The Vatican Secret Archives is a treasure trove of history that is shrouded in secrecy; Jamie Theakston heads to Rome in a bid to gain access.

Actor Peter Stormare teams up with a history enthusiast to investigate a mysterious relic that could be evidence of Viking settlement in America centuries before Columbus, but some think it's a hoax.

Actor Peter Stormare and historian Elroy Balgaard investigate the man accused of forging evidence of Vikings in America, testing a crucial piece of evidence with DNA analysis: an ancient skull that may have alien origins.

Peter Stormare and Elroy Balgaard arrange to meet a man with knowledge of the runestone at a secret location where he has something important to show them.

A forensic geologist informs Peter and Elroy of new, advanced testing that could verify the authenticity of the runestone, but a new challenge might put the investigation in jeopardy.

Peter and Elroy have been setting up an archaeological survey at their most promising site, but just as they prepare to dig, the state archeologist shuts down all their plans.

Peter and Elroy gain access to runestone samples for the forensic geologist to conduct testing, and they meet with a team that finds metal artifacts buried at the site where the runestone was discovered.

A forensic geologist informs Peter and Elroy of new, advanced testing that could verify the authenticity of the runestone, but a new challenge might put the investigation in jeopardy.

Peter and Elroy have been setting up an archaeological survey at their most promising site, but just as they prepare to dig, the state archeologist shuts down all their plans.

Peter and Elroy gain access to runestone samples for the forensic geologist to conduct testing, and they meet with a team that finds metal artifacts buried at the site where the runestone was discovered.

Peter Stormare and Elroy Balgaard arrange to meet a man with knowledge of the runestone at a secret location where he has something important to show them.

Jamie Theakston investigates Johann Reichhart, a German executioner who killed approximately 3,000 people during World War II.

The Vatican Secret Archives is a treasure trove of history that is shrouded in secrecy; Jamie Theakston heads to Rome in a bid to gain access.

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.

A probe malfunctions without cause as it enters deep space; a mission goes astray when an imposter breaches Mission Control; evidence of an invisible planet within the Solar System.

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.

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.

New evidence could finally explain a mysterious UFO encounter in the Bermuda Triangle, and using cutting-edge tech and the latest underwater discoveries, a team of experts investigate if aliens have visited this strange stretch of water.

To find the truth behind unexplained phenomena, experts follow new clues to underwater alien anomalies that some believe have ties to the lost city of Atlantis.

Experts are hot on the trail of a legendary sea monster that reportedly lives in the underwater caves of the Bermuda Triangle; divers hunt for the deadly beast in underwater chambers.

Brand-new discoveries may finally explain the truth behind one of the Bermuda Triangle's most infamous disappearances.

Five US Navy planes vanish without a trace in the Bermuda Triangle, fueling speculation that this strange stretch of water is cursed.

When a credible witness claims to have discovered the wreckage of a long-lost ship, experts launch an investigation to positively identify the missing vessel and uncover how it could be more than 10 miles from where it reportedly sank.

A new lead may finally solve the mystery of the Witchcraft, a yacht that disappeared in the Bermuda Triangle in 1967; a cutting-edge expedition leads experts to a surprising discovery on the ocean floor.

A man filming a wedding flees in terror as a mysterious explosion rips through the festivities; an explorer in the wild jungle of Vietnam comes across a bizarre tree whose trunk shimmers as though it is alive.

A stargazer in Scotland films what looks like a ship breaking off from a meteor in an area known for UFO sightings; experts consider whether this could be a high-tech NASA operation, a delicate military refueling maneuver, or something else entirely.

Cameras capture falling objects that explode into a colorful chain reaction over the skies of Andoya Island in Norway; experts investigate a secret WWII Nazi complex linked to a weapons technology that may have been discovered by the Russians.

A truck engulfed in flames barrels down a lonely Brazilian highway, which could be the result of a sudden forest fire; experts investigate the story of a driver who somehow maneuvers his blazing cargo to a safe location.

CCTV footage captures a ghostly disturbance in a French chateau; experts try to uncover a worldly explanation for this shocking mystery.

A hunchbacked creature scurries out of the jungle in Costa Rica; experts consider if this could be the mythical beast known as La Mona, a person with a rare medical condition, or the result of a powerful drug known as the devil's breath.

A truck engulfed in flames barrels down a lonely Brazilian highway, which could be the result of a sudden forest fire; experts investigate the story of a driver who somehow maneuvers his blazing cargo to a safe location.

CCTV footage captures a ghostly disturbance in a French chateau; experts try to uncover a worldly explanation for this shocking mystery.

A hunchbacked creature scurries out of the jungle in Costa Rica; experts consider if this could be the mythical beast known as La Mona, a person with a rare medical condition, or the result of a powerful drug known as the devil's breath.

Cameras capture falling objects that explode into a colorful chain reaction over the skies of Andoya Island in Norway; experts investigate a secret WWII Nazi complex linked to a weapons technology that may have been discovered by the Russians.

When a credible witness claims to have discovered the wreckage of a long-lost ship, experts launch an investigation to positively identify the missing vessel and uncover how it could be more than 10 miles from where it reportedly sank.

A new lead may finally solve the mystery of the Witchcraft, a yacht that disappeared in the Bermuda Triangle in 1967; a cutting-edge expedition leads experts to a surprising discovery on the ocean floor.

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

A theory of Earth's abiogenesis may have started in the clouds of Venus; a look into the claim of Earth having two moons; a NASA scientist helps the FBI solve the 1996 Olympic bombing.

An astronomer records an unusual radio signal from beyond the solar system; FBI agents find classified documents at the home of a NASA scientist; when scientists discover strange DNA in the octopus, they examine if their origins could be alien.

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.

To carry infantry troops to the front lines, military engineers designed three battlefield behemoths that command the land, sea and air; special access reveals how cutting-edge tech made these innovations possible.

The world's highest bridge impossibly spans an 1,800-foot chasm known as the Crack in the Earth; to build this engineering marvel, experts use cutting-edge construction technology that can conquer the deadly cliffs of this rugged environment.

This oil tanker is longer than four football fields and can haul 15,000 trucks worth of oil.

A brand-new skyscraper in Texas is a gravity-defying engineering marvel with a one-of-a-kind shape, and to build it, experts use cutting-edge construction and design that pushes modern-day tower-building to strange and innovative heights.

The skinniest skyscraper in the world will soon become New York's third-tallest building; using an innovative, gravity-defying design, the colossal megastructure breaks all the rules of engineering.

Engineers in China are constructing the largest water transfer project ever conducted.

Engineers are racing against the clock to build the world's biggest airport; using cutting-edge construction methods, experts put the finishing touches on a modern-day marvel that will move 100 million people in and out of Beijing every year.

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.

Montreal's Olympic Stadium is an ambitious engineering project with a striking space-age design, but it's distinctive roof has caused more than $1 billion in cost overruns; experts reveal what went wrong and how cutting-edge science can fix it.

The Deepwater Horizon oil rig drills into the deepest oil reserves on the planet, but a sudden explosion onboard leads to the worst oil spill in history; experts reveal what went wrong and how cutting-edge science finally fixed the catastrophe.

In 2006, a fatal collapse in one of Boston's tunnels put an ambitious project in doubt; experts reveal what caused this engineering disaster and how it was fixed.

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.

When Hurricane Harvey hits Houston, the city is overwhelmed by four feet of rain in four days, causing catastrophic flooding and billions of dollars in damage; experts use cutting-edge technology to discover what went wrong and how it can be fixed.

In 2006, a fatal collapse in one of Boston's tunnels put an ambitious project in doubt; experts reveal what caused this engineering disaster and how it was fixed.

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.

When Hurricane Harvey hits Houston, the city is overwhelmed by four feet of rain in four days, causing catastrophic flooding and billions of dollars in damage; experts use cutting-edge technology to discover what went wrong and how it can be fixed.

The Deepwater Horizon oil rig drills into the deepest oil reserves on the planet, but a sudden explosion onboard leads to the worst oil spill in history; experts reveal what went wrong and how cutting-edge science finally fixed the catastrophe.

Engineers in China are constructing the largest water transfer project ever conducted.

Engineers are racing against the clock to build the world's biggest airport; using cutting-edge construction methods, experts put the finishing touches on a modern-day marvel that will move 100 million people in and out of Beijing every year.

Soviet photos of the moon are intercepted by the CIA; a malfunction aboard the ISS, which imperils the whole crew; NASA probe finds evidence of the possibility of life on Mars.

A declassified letter written by President Kennedy demands that the CIA share its UFO data with NASA; a bizarre pattern on the surface of Mars could be a coded alien message; investigators find a rocket crash-landed in a crater on the Moon.

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

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.

The world's biggest labyrinth is a 1,553-mile cave system that's home to some of history's darkest mysteries, and new discoveries at this strange place reveal the long-lost secrets of Nazi occupation, Soviet revolution, and Cold War subterfuge.

Eerie system of underground vaults in Scotland was once hideout for thieves who stole newly-buried bodies and sold them; experts excavate these rubble-filled caves to reveal the secrets of what these bandits left behind.

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 vast system of tunnels built almost 3,000 years ago was the site of the greatest battles of antiquity, and these disorienting passages could be the deadliest weapon in war; experts reveal what made this underground world so terrifying.

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 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.

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.

Formerly known as one of the toughest prisons in America, this massive complex was once home to medical experiments and a chaotic hostage situation; it's better remembered as the setting for the iconic opening scene of.

A collection of ramshackle structures with a mystical facade lie mysteriously deserted on the tropical island of Bali; experts investigate and uncover the ruins of a bizarre amusement park complex with a disastrous past.

Some of the biggest engineering projects that lie in ruins; cities that are empty ghost towns, bridges that were never finished and roads to nowhere; these deserted places are home to many mysteries and untold secrets.

A luxurious skyscraper in the center of a bustling Bangkok metropolis is now an eerily derelict ghost tower; experts investigate and uncover a devastating financial crisis entangled in plots of a murder mystery that led to the development's demise.

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.

A luxurious skyscraper in the center of a bustling Bangkok metropolis is now an eerily derelict ghost tower; experts investigate and uncover a devastating financial crisis entangled in plots of a murder mystery that led to the development's demise.

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.

Some of the biggest engineering projects that lie in ruins; cities that are empty ghost towns, bridges that were never finished and roads to nowhere; these deserted places are home to many mysteries and untold secrets.

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.

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 object is orbiting Saturn, and it looks just like the Death Star; new evidence might shed new light on the mysterious death of Yuri Gagarin, the first man in space; when a cutting-edge satellite vanishes, fears of a space war escalate.

The last humans to walk on the Moon discover something strange on the surface; a NASA scientist investigates a strange phenomenon responsible for horrific mass deaths; a landmark NASA mission threatens to destroy the reputation of an American hero.

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.

White dwarfs are small, dead stars with a dangerous side, and they are capable of exploding into supernovas and destroying planets; new research suggests these mysterious phenomena may be the key to understanding the universe itself.

New discoveries reveal an astonishing supermassive black hole that was born during the earliest days of the cosmos, and finding out how this giant grew so large so quickly may help to explain the very formation of the universe itself.

Cataclysmic changes in ancient Egypt might have been caused by an extraordinary set of international phenomena, and the latest tech helps identify the supernatural culprit; what experts discover reveals a truth stranger than fiction.

New discoveries reveal the secrets of Egypt's tomb raiders and what ancient Egyptians did to ensure the treasures of their dead pharaohs wouldn't be stolen; science answers these mysteries, shedding new light on Egypt's darkest secrets.

Mysterious tomb carvings provide dark evidence that ancient Egyptians practiced cannibalism but there is no explanation as to why; experts use modern-day tech to reveal more of Egypt's darkest secrets.

Experts unearth a mysterious lost city built by an infamous pharaoh and find clues of a grisly catastrophe; new discoveries reveal the apocalyptic events that turned this place into hell on Earth, offering more clues to Egypt's darkest secrets.

New discoveries reveal if there is indeed a curse at King Tut's tomb, which is said to have killed nine people; the latest science might finally answer this ancient mystery; experts use modern-day tech to investigate more of Egypt's darkest secrets.

The Crocodile Queen was Egypt's first female pharaoh, but questions remain about who she was why she took this sinister alter-ego; new discoveries might finally answer this ancient mystery, and experts use modern-day tech to reveal more secrets.

Explorers in search of a lost city built by Ramses II uncover startling evidence that reveals the extent of the ancient Egypt's scientific knowledge, and the new discoveries at this strange site offer more clues to Egypt's darkest secrets.

Strange images from the jungles of Colombia could lead researchers to the legendary city of El Dorado; a bright green swirling spiral appears in the seas of the Persian Gulf; a massive complex suddenly appears in Myanmar.

New evidence could reveal the remains of an ancient Roman city thought to be lost forever; strange images from a remote and empty desert could explain the mysterious mummies found there; an apocalyptic sandstorm swallows the Middle East.

A young boy makes international headlines when he uses satellite images to discover lost cities of the Maya; satellite images might point to a modern-day genocide; trees in China seem to be spelling out a sinister message.

The myth of Merlin is associated with an arrangement of stones in northern France; satellite images might finally explain this ancient riddle; Investigators uncover something mysterious buried beneath the Gulf of Mexico.

A massive chasm appears in a remote part of the Siberian forest.

New evidence could lead to the discovery of an unknown ancient civilization in the Amazon rainforest; a strange photo reveals a massive Arctic canyon buried beneath the ice; an unidentified submarine is spotted in a North Korean shipyard.

The myth of Merlin is associated with an arrangement of stones in northern France; satellite images might finally explain this ancient riddle; Investigators uncover something mysterious buried beneath the Gulf of Mexico.

A massive chasm appears in a remote part of the Siberian forest.

New evidence could lead to the discovery of an unknown ancient civilization in the Amazon rainforest; a strange photo reveals a massive Arctic canyon buried beneath the ice; an unidentified submarine is spotted in a North Korean shipyard.

A young boy makes international headlines when he uses satellite images to discover lost cities of the Maya; satellite images might point to a modern-day genocide; trees in China seem to be spelling out a sinister message.

The Crocodile Queen was Egypt's first female pharaoh, but questions remain about who she was why she took this sinister alter-ego; new discoveries might finally answer this ancient mystery, and experts use modern-day tech to reveal more secrets.

Explorers in search of a lost city built by Ramses II uncover startling evidence that reveals the extent of the ancient Egypt's scientific knowledge, and the new discoveries at this strange site offer more clues to Egypt's darkest secrets.