On July 11, 1991, the crew of Nigeria Airways Flight 2120 unsuccessfully tries to return to the airport after a burst tire creates an in-flight fire which causes 247 Nigerian pilgrims and 14 crew to perish.

When the crash of a commuter plane in Georgia kills a NASA astronaut, a four-term U.S. senator and 21 others, the disaster grabs headlines around the world.

Confused, flying blind and lost in the dark, three crews lose sight of the horizon and fall into the same deadly trap.

Within five minutes of takeoff, the Dominican Republic bound Birgenair Flight 301 crashes into the Atlantic Ocean; a series of confusing signals crashes the plane.

A look at key naval battles that have taken place in the Persian Gulf over the last 50 years and the warships involved, from both sides of the conflicts.

A look at the smallest ships of war and the major roles they've played over the centuries, including the 1776 gunboat built to stop a British invasion and the HA-19 sub.

New high-tech investigations uncover what sunk a World War I cruiser, a World War II submarine, a British destroyer from the Falklands War, and more.

A look at how navy weapons have evolved over the centuries, from cannons to gun turrets to nuclear missiles and beyond.

Exploring maritime heroes who left their mark on history through their bravery and skill, including Larry Chambers, Ernest Evans, and Robert Smalls.

A look at riverine warfare from the Civil War to Vietnam and small but powerful combat ships.

Recounting some of maritime warfare's explosions, from world wars and Vietnam to the nuclear tests at Bikini Atoll.

The story of one of the world's most effective war machines: the Viking longship, seeing how its design evolved from swift war canoe to versatile and feared ship that would change the course of history.

A look at the most famous wooden warships over the course of 500 years.

The ships that made mighty empires, from the lone wolves that patrolled the high seas for imperial Britain to the USS Laffey's heroic WWII battle against kamikazes at Okinawa.

A look at some of the rescue ships of the past 200 years of wartime and the brave men and women who risked their lives to save others.

A look at experimental ships and revolutionary designers that have changed the tide of war through the centuries.

During the Vietnam War, the United States needed a helicopter that could defend itself; the AH-1 Cobra, the world's first pure attack helicopter.

Electronic warfare aircraft; the EA-6B Prowler; the EA-18G Growler.

The history of the longest serving bomber in the U.S. military: the B-52 Stratofortress.

The 50-year evolution of the Army's top transport helicopter, the CH-47 Chinook.

Exploring the world's top close air support aircraft, which enter battles at a minute's notice.

The history of the KC-135 Stratotanker, the 60-year-old aerial refueler that keeps fighter jets flying.

The Marine Corps' V-22 Osprey.

The F-15 Eagle's conquests in Iraq, Yugoslavia and even space.

Innovative engineering allows the P-38 Lightning to fly faster and climb higher than any other WWII warplane; a twin-propeller fighter with heavy armaments packed into its nose, the P-38 becomes one of America's premiere combat planes during the war.

The AH-64 Apache, one of the most heavily fortified and well-armed helicopters ever built.

Exploring the history of the F-18 and how the U.S. Navy's dual-role aircraft has dominated both the air and the battlefields for over three decades.

The inside story of the Harrier, the world's most famous short takeoff and vertical landing fighter jet.

Taking flight for a bird's eye tour of America's rivers, lakes and canals.

An aerial view of Arkansas, where settlers' westward journeys began and the scene of Bonnie and Clyde's most serious crime; a view of the land of raging rivers, vast wilderness and legends of the Wild West.

An amazing aerial tour over Utah reveals a state full of otherworldly landscapes and landmarks, including a history steeped in Mormonism, pioneering tragedy, and Olympic glory.

An aerial view of New Mexico; exploring its landscapes and landmarks, while revealing its many legends and secrets.

A cross-country aerial journey over America's most majestic and unique roadside attractions.

An aerial tour over New England captures its beauty while celebrating its rich history; from the Massachusetts harbours, where Americans rebelled against the British, to the autumn colours that blanket the mountains of Vermont.

Two identical plane crashes involving the same icy conditions and the same plane design are examined, revealing why neither disaster should have happened.

After a seemingly routine landing, a Boeing 737 erupts in flames, putting 165 debarking passengers and crew in jeopardy.

An investigation into Continental Airlines Flight 1713, which crashed on takeoff from Denver during a snowstorm in 1987, changes commercial flight forever.

A cockpit window on British Airways Flight blows out, partially ejecting and injuring the captain; the co-pilot completes an emergency landing.

An MD-82 crash lands in Arkansas during a severe thunderstorm; but investigators believe weather is not the main reason for the accident.

Avianca Flight 52 is delayed numerous times by bad weather en route; it is dangerously low on fuel as it attempts a landing at New York City.

The consequences are disastrous when ice forms on an airplane's wings; three planes are brought down by ice and it's up to investigators to determine how modern aircraft could possibly end up with frozen wings.

A crew argues with no runway in sight; a captain ignores a critical signal; an exhausted pilot picks a catastrophic time to try a new approach.

Landing at one of the world's most challenging airports, a passenger plane comes in like a fighter jet and crashes, killing 51 of the 71 people aboard.

On Jan. 3, 2004, Flash Airlines Flight 604 banks to the right just after takeoff and crashes into the Red Sea, killing all 148 people on board.

A damaged plane plunges Anchorage Airport into an emergency. A leak on a Coast Guard helicopter jeopardizes emergency cover. Rain turns the Fairbanks runways into ice rinks, and a dog-sled racing prodigy flies with furry teammates.

A father and son team of bush aviators flies a NASA expedition into the wilderness. A rookie airline pilot attempts a landing on a remote island. A seaplane mechanic starts a helicopter repair business, and customs agents.

A look at the commercial flights that ended in disaster because of suspected murder-suicide.

When a commercial airliner goes down in eastern Ukraine in 2014, examiners must conduct an investigation in the middle of a war zone.

A Korean Airlines passenger plane is shot down by a Soviet fighter jet in 1983; political tensions nearly escalate into war.

A miraculous rescue is launched after a 747 plummets toward the Pacific.

Investigators face a mystery when Varig Flight 254 disappears without a trace over the jungles of Brazil.

Home to some of America's highest mountains; Mount St. Helens.

White sand beaches; Blue Ridge Mountains; Charleston's Rainbow Row.

An aerial tour of Nevada; the state's deserts, ghost towns, neon cities and Hoover Dam; its history built on epic booms and busts.

Natural wonders, manmade marvels, hidden treasures and places of inspiration.

The stories and sights of Hawaii's major islands.

An aerial tour of the world's first national park showcases Yellowstone's diverse wildlife and rich history.

An aerial exploration of Wyoming reveals the Cowboy State's controversial history while highlighting its breathtaking canyons and volcanic formations.

An aerial tour of Kansas shows a state with varied landscapes, scenic areas and historical conflict sites.

A coast-to-coast aerial journey across America, visiting locations made famous by movies such as Rocky, Citizen Kane, Forrest Gump and others.

Explore the forests, shores, bridges and tunnels of one of American's 13 original states, New Jersey.

An aerial tour of Florida's peninsula and panhandle celebrates the state's sights, unique history and lavish lifestyles.

A flight over Arizona explores the state's storied past, architectural achievements and landscapes, including America's natural wonder, the Grand Canyon.

Louisiana's wetlands and underwater oil fields.

An aerial tour over the places made famous by America's most influential men and women.

The Lone Star's rugged canyons, historic ranches and modern cities.

Northern state's green forests; red-painted barns and sugar maples.

A view of Idaho from the air reveals a state filled with agricultural fields, lands untouched by human hands, and riches in the form of gold, ski resorts and spuds.

A high-flying tour of Connecticut; exploring the safe harbors, buildings and rich maritime history; the home state of Mark Twain, PT Barnum and Katharine Hepburn; the exclusive Gold Coast, the Thimble Islands and the historic cities.

An aerial tour over Kentucky reveals a state of racetracks, country music highways, bourbon distilleries and a history of feuds and traditions.

On June 27, 1980, Aerolinee Itavia Flight 870 crashes into the Tyrrhenian Sea near the island of Ustica, Italy; all 81 people on board are killed.

A Colorado commuter flight crashes five miles short of the runway and the reasons why rock the airline industry.

When an Illinois turboprop crashes after losing battery power, investigators uncover a series of errors made by the pilots.

Investigators hunt for answers when the pilots of three aircraft skip protocols, ignore their training and crash.

Investigators race to determine the cause of the deadliest single aircraft accident in history: the 1985 crash of Japan Airlines 123, which claimed 520 lives.

Ancestral home of the Abenaki Indians; Henry David Thoreau's first book; Mount Monadnock; New Hampshire is seen from the air.

A look at America's landmarks, including a view of bears catching clams in Alaska's rivers; a high-flying tour reveals Alaska's call of the wild spirit that has lured adventurers and dreamers north for centuries.

The Empire State of the South; ancient Moundbuilders to the Cherokee Indians.

Great mountain ranges; coal-based economy.

An aerial tour over America's Great Plains tracks the prairies, farms, oilfields and wildlife.

Vast cotton fields, Gulf coast beaches; famous Civil Rights marches; NASCAR's most dangerous track; steel factories.

Soaring above the Cornhusker State's vast farms, towering spires, desolate badlands and gleaming cities.

The South's famous landmarks, historical milestones and unique culture.

A coast-to-coast aerial tour celebrates the best small towns in the United States and tells stories about the men and women who called them home.

A sweeping tour over popular destinations in America, including the Badlands, Nantucket, the National Mall and more.

Zoom above, and below, some of the Golden State's greatest monuments.

An orphaned bear cub flies to a new home, bush pilots bring life-saving medical machinery to a remote village, record snowfall threatens to close down Anchorage Airport for Thanksgiving, and the US Army prepares for airborne war.

Record snowfall and vicious headwinds threaten the runways and a sea plane pilot.

The Ted Stevens crew faces a host of challenges, including a truck accident, a record day of snowfall, and the return of a wild moose.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

Customs agents intercept a grenade launcher smuggled into the U.S.; a blizzard threatens to cut off a remote island airport; warm winter weather turns a village runway to mud.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

Customs agents intercept a grenade launcher smuggled into the U.S.; a blizzard threatens to cut off a remote island airport; warm winter weather turns a village runway to mud.

Three FedEx employees must regain control of their plane when a coworker attacks them in midair.

Pilots attempt to land their Boeing 737 in an Indonesian river after losing their engines and electrical power.

Partnair Flight 394 loses control, breaks up in mid-air and crashes into the North Sea; the aircraft's vertical stabilizer vibrates loose during flight due to excessive wear on substandard bolts, sleeves and pins that have been illegally sold.

With its conductors sound asleep, a freight train fails to stop and collides with an oncoming passenger train, resulting in tragedy.

A 1994 terrorist bombing aboard Philippine Airlines Flight 434 forces its pilots into a daring emergency landing.

Pilots aboard a hijacked plane are forced to attempt an emergency landing at sea.

A design flaw sends American Eagle Flight 41-84 smashing into a cornfield outside of Chicago, killing all 68 people on board.

On 9 August 2007, Air Moorea Flight 1121 crashes shortly after taking off from Moorea Airport in French Polynesia, killing all 19 passengers and the pilot.

A surface-to-air missile cripples a cargo plane after it takes off from Baghdad International Airport.

British Midland Flight 92 slams into Britain's busy M1 motorway and it seems like a rare case of dual engine failure, but investigators learn the real cause was a tragic misunderstanding.

When a British tycoon and his family die in a 2017 Australian seaplane crash, investigators spend over two years searching for the reason behind the tragedy.

Fifteen minutes after taking off from Puerto Vallarta for San Francisco, the pilots of an MD-83 realize something is very wrong with their plane.

A passenger ferry sinks after crashing into rocks off the coast of a Greek island, killing 82; it leads to a shocking investigation.

Investigators try to figure out why a private Learjet carrying Payne Stewart went rogue before crashing in a South Dakota hayfield.

A runway collision at a small airport turns tragic when passengers cannot escape the burning aircraft.

Three flights ending in tragedy, prove that minor missteps during takeoff can have disastrous consequences.

Investigators struggle to determine why a 757 strayed off course during its final approach to a Colombia airport and crashed into a mountain.

Experts investigate an unfortunate string of events that caused the freshly serviced Air Astana Flight 1388 to become completely uncontrollable.

The cockpit window of an Airbus A319 explodes; pilots miraculously land the out-of-control plane; investigators must determine how the freshly serviced aircraft was released with a fatal flaw.

In September 2006, a brand-new legacy business jet collides with a Boeing 737 over the Amazon forest.

Investigators must figure out why the safety systems of a turboprop plane failed to prevent a crash into an Indonesian mountain.

When a commuter flight crashes mysteriously just a mile from a Missouri runway, investigators turn their attention to the final seconds in the cockpit.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

Customs agents intercept a grenade launcher smuggled into the U.S.; a blizzard threatens to cut off a remote island airport; warm winter weather turns a village runway to mud.

Design innovations evolve as a result of terrible air disasters due to pressurization failure or explosive decompression.

Experts investigate the West Air Sweden Flight 294 crash and how the cargo jet nosedived into the Swedish Arctic at speeds nearing 600 mph.

When a Bulgarian airliner is taken over by violent hijackers, the crew and authorities on the ground devise a daring plan to save the airliner.

From pilot error to meltdowns within air traffic control, investigators dig deep into three mid-air collisions that seem to defy logic.

A trio of crashes reveals that when the nuts and bolts of maintenance go unchecked, it can spell catastrophe.

When basketball legend Kobe Bryant is killed in a helicopter crash in Calabasas, investigators examine the data, the wreckage, and the pilot's actions for clues.

One of Holland America Line's largest cruisers makes its debut in the Caribbean, highlighted by a visit to an exclusive private island resort.

A crew of 2,200 on the Symphony of the Seas tends to more than 5,500 passengers as they sail to ports in Spain, France and Italy.

Visit Stonehenge, kiss the Blarney Stone and hunt for Nessie on a magical tour of the British Isles, aboard Marina.

Facing Australia's fierce heat, Celebrity Solstice provides guests with views of waterfalls, jumping crocodiles, koalas and the Great Barrier Reef.

We hop aboard a seven-day cruise to the Canary Islands and Madeira aboard the first large liner to run purely on cleaner-burning liquefied natural gas.

Sailing from Chile and Peru to Ecuador and Costa Rica, the luxurious Seven Seas Explorer cruise ship is full of marble, granite and almost 500 chandeliers.

Passengers are treated like royalty on Indian Railways' Maharaja's Express.

Exploring Vietnam by rail aboard the Reunification Express; a three-day ride from Hanoi to Ho Chi Minh City rich in views of rivers, rice paddies and dragon fruit orchards; steeped in the nation's war-torn past.

The Ghan takes passengers on a three-day, two-night journey through Australia; the Pichi Pichi Railway offers passengers a trip on an original steam locomotive train.

The world's most adventurous cruise ship, MS Fram, battles ice-choked fjords of Greenland to visit wildlife and icebergs.

MSC's biggest cruise ship navigates tight Mediterranean harbors, offering a brand new water park, classic excursions and Cirque du Soleil at Sea.

Le Boreal is built to take on the demanding waters of the Southern Ocean.

Cruise among the icebergs of Greenland and the Canadian High Arctic aboard the expedition cruiser Ocean Endeavour.

The world's latest, most-advanced expedition cruise ship Roald Amundsen whisks passengers on an adventurous voyage to Antarctica.

The Blue Angels run through their unique, specialized training.

Switzerland's Bernina Express is one of three railway lines on the UNESCO World Heritage list; it navigates 55 tunnels and nearly 200 viaducts and bridges.

Royal Clipper is the largest sailing cruise ship in the world, celebrating tall ships of the 19th century while offering modern-day service for its guests.

Norwegian Joy sails amid icebergs in Alaska's Inside Passage, treating guests to glaciers, humpback whales, and the largest zip line in the world.

Norway's Bergen Line stretches from Oslo to Bergen, passing through 182 tunnels; Nordland Line transports passengers and freight; Flam Railway boasts one of the steepest railway climbs on Earth.

Japan's Tokaido Shinkansen, known as the bullet train, operates on a dedicated railway line at up to 177 mph.

We follow passengers and crew aboard Viking Star during its two-week tour from Barcelona to its home port in Bergen, Norway.

The only cruise ship designed specifically to navigate the treasures and dangers at the southern tip of South America.

Experience romance on a mega cruiser that pampers its guests with the best of Italian design and American convenience.

Set a course for breathtaking sights on Koningsdam's 15-day voyage from Amsterdam to the northern tip of Norway.

Costa Diadema's seven-day cruise around the Mediterranean offers Italian delights to its passengers and challenges to its captain and crew.

The airport has never shut down for bad weather, but a heavy storm, a rookie snow boss, and broken equipment put their remarkable streak in jeopardy; a 5.3 magnitude earthquake shakes the airport, grounding all planes.

A large construction load, a massive repair, and a fallen soldier weigh heavily on the crews.

Witness wild weather, emergency landings, animal invaders and pandemic panics at Alaska's Ted Stevens Airport.

A crisis in a remote Alaskan village, a grounded cargo 737 and alcohol smugglers keep the pilots and crews busy.

An armed, suicidal man and a suspicious powdery substance threaten the staff of Ted Stevens while rough weather may ground a 70-year-old cargo plane.

A heavy blizzard, an earthquake, and a plane crash threaten the safety of the Ice Airports as well as the people of downtown Anchorage.

The engineering secrets behind a massive sky garden in Singapore, the world's most slender tower in Brighton, and a railway station in the shadow of Vesuvius.

A new performance center with a tent-like glass-and-steel lobby tests engineers in Kansas City; two twisting apartment towers make heads spin in Ontario.

Exploring the design and engineering stories behind D.C.'s Museum of African American History, the Montreal Tower and the Equinor building in Oslo.

Traveling from Canada to Belgium to the Southern U.S. to examine an eye-popping school, museum and railway station and reveal how they were built.

Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more.

The engineering secrets behind the world's steepest mountain railway, a remodeled 145-year-old museum and a futuristic condo.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

Customs agents intercept a grenade launcher smuggled into the U.S.; a blizzard threatens to cut off a remote island airport; warm winter weather turns a village runway to mud.

A Coast Guard chopper pilot battles winds in a mission that will decide her flying career; a mountain construction project gets an express aerial delivery of materials in Alaska-style; two bald eagles hitch a first-class ride.

A trainee chopper pilot tackles a mid-air engine shutdown. Bush pilots face a high-altitude test on an aerial grocery run. The US Army in Alaska launch their biggest helicopter deployment ever, and an Arctic-sports phenom flies.

Scientists fly to save Anchorage from avalanche destruction. Border agents stop a potential insect invasion at Anchorage International. A bush pilot flies explosive cargo for a village festival, and the Coast Guard race to repai.

Bad weather and a series of errors lead to the 2001 crash of a plane on its approach to Zurich Airport.

When an aircraft loses total engine power, a pilot's training can make all the difference in the world, but it's still up to investigators to determine what went wrong.

When critical instruments in the cockpit can't be trusted, the consequences can be fatal.

A propeller breaks off and rips a hole in the fuselage of an aircraft en route from Alaska to Washington 19,000 feet over the Pacific Ocean.

On 12 November 2001, just two months after the September 11 attacks, American Airlines Flight 587 spirals out of control shortly after taking off from John F. Kennedy Airport and crashes into Queens.

A look at how technological advances over the centuries have transformed maritime warfare.

Vessels that operate in secret, unseen by their enemies, from secret missions that helped win World War II to modern stealth ships using strange shapes and technology to avoid spying ears and eyes.

The evolution of amphibious assault vehicles, including the restoration of Britain's last surviving LCT 7074 landing craft, designed to carry six Churchill tanks.

A look at how the role of battleships changed over the course of the First and Second World Wars.

A comprehensive look at the naval battle of Guadalcanal in November 1942 and the heroic efforts of U.S. sailors who held off powerful Imperial Navy.

From tests in the River Thames, to the German's deadly U-boat attacks in World War II, this episode explores the silent threat of submarines.

It is considered the largest sea battle in history: the Battle of Leyte Gulf in WWII was three days of ingenious strategy and white-knuckle combat between warships, aircraft and kamikazes.

A retelling of the D-Day invasion and its critical naval operation involving an armada of diverse and ingenious vessels.

Stories of espionage at sea, including deadly U-boat cat-and-mouse games during WWI, the sinking of the Lusitania, a gun-smuggling private yacht that made history, and liners turned troopships.

The legendary Battle of Trafalgar in 1805, which pitted Napoleon's French ships against a British armada under the command of Admiral Horatio Nelson.

A look at how maritime task forces and the Coast Guard are keeping commercial vessels and US shores safe from pirates and drug smugglers.

A portrayal of a crucial September 1950 military operation that helped the UN and ROK gain the upper hand over North Korea in the Korean War.

The history of the B-1 Lancer reveals how the Cold War bomber evolved to become one of Americas most effective military aircraft.

A countdown of the most influential and impactful military planes of the Cold War, from America's B-2 to the Soviet's MiG-15.

The inside story of the F-86 Sabre, one of America's first fighter jets, and its epic battles against the Soviet MiG jet during the Korean War and beyond.

A look at the top U.S. military aircraft in America's modern arsenal, including the F-117 Nighthawk stealth fighter, the hybrid V-22 Osprey, and more.

The rapid evolution of drones and how they're changing the future of aviation.

The inside story of the ultimate stealth fighter, the F-22 Raptor, and its predecessors.

The North American F-100 Super Saber, also known as the Hun, becomes a supersonic powerhouse after initial difficulties; it was used primarily in the Vietnam War.

The 35-year history of the UH-60 Black Hawk.

The world's most versatile and powerful helicopters, including the Huey that served as a rescue helicopter in Vietnam, and the Apache attack helicopter.

An inside look at the U.S. Air Force's largest aircraft, the C-5 Galaxy; its most dramatic combat and peacetime missions over the last 50 years.

Stories of fighter aircraft and deadly combat, including dogfights with the P-38 Lightning and Messerschmitts over Nazi Germany, told through rarely seen battle footage and first-hand accounts.

The story of the world's first nuclear bomber, the B-29, and its explosive impact on aerial warfare.

Alpine valleys; Rocky Mountains; Denver's towering skyscrapers.

An aerial journey over Ohio showcases the Buckeye State's autumnal vistas, majestic rivers, epic skyscrapers and battlegrounds.

One of the most beautiful states on the Atlantic Coast.

Taking an aerial tour of Virginia.

A flight over Indiana explores the Hoosier State's rich agriculture, busy highways and basketball legends; exploring the War Memorial and the Angel Mounds of the southwest.

An aerial view of major cities in the United States, including Los Angeles, Miami, Chicago and Boston.

TAM flight 402 slammed into a residential neighborhood and burst into flames, just seconds after lifting off from Congonhas airport in São Paulo, Brazil, killing all 95 people on board and three people on the ground.

On December 21, 1992, Martinair Flight 495 crashes off the right side of the runway while attempting to land at Faro Airport in Faro, Portugal, in severe weather conditions, killing 56 of the 340 people on board.

On the 24th of February 1989, part of the right-side fuselage of United Airlines Flight 811 rips off, ejecting nine people from the aircraft and causing explosive decompression; the flight later lands safely at Honolulu without any more loss of life.

After losing two engines near enemy territory, U.S. Air Force pilots abort their refueling mission and try to land their damaged plane.

Saudi Airways and Kazakhstan Airlines jets hit each other at 14,000 feet sending both planes spiraling to the ground.

The 2013 crash of Asiana Airlines Flight 214 in San Francisco shocks the nation.

On 31 October 2000, Singapore Airlines Flight 006 collides with construction equipment at Chiang Kai Shek airport in Taipei while attempting to take off on the wrong runway in a typhoon, killing 83 of the 179 people on board.

From the wreckage of three airplane crashes, survivors emerge to tell harrowing tales and provide critical data about what to do in an emergency.

During a storm, a strong gale slams Delta Airlines Flight 191 to the ground, killing most people on board.

On 25 May 1979, the number-one engine on American Airlines Flight 191 detaches moments after taking off from Chicago O'Hare International Airport. The aircraft banks to the left and crashes into an open field, killing all 271 people on board.

A shocking error in the cockpit causes the crash of a 737 on takeoff and leaves an entire nation reeling.

Valentine's day delays loom when a squadron of F22 makes an unexpected landing; high winds threaten a helicopter's 600lb sling load; Aviators come to the rescue of a village without water.

Customs agents intercept a grenade launcher smuggled into the U.S.; a blizzard threatens to cut off a remote island airport; warm winter weather turns a village runway to mud.

When a commuter turboprop plane crashes at an Irish airport, investigators uncover a startling gap in aviation safety.

Alaska Airlines 261 nosedives into the Pacific leaving investigators stumped . A rare storm and a deadly design flaw intersect cause American Eagle 4184 to fall from the sky. And, investigators suspect a fatal flaw in the Boeing 737.

The crews of three doomed aircraft make catastrophic blunders.

Faced with the extreme conditions of the far North, three flights fall out of the sky leaving investigators to uncover the cause.

Indonesian investigators must determine why a Boeing 737 Max 8 - one of the world's best-selling new airplanes - plunged into the Java Sea.

An aerial tour over Dallas and Fort Worth highlights the cities' differences while showcasing their shared contributions to the Texas narrative.

A cross-country flight over the nation's mountains, beaches and national parks; visiting other sites that attract adventurers and tourists.

Mississippi from above; the state's unique beauty and history; mighty waters, ancient trails and the birth of the Delta Blues.

A soaring tour over Southern California explores the stunning beaches, vast deserts, sprawling city and unique culture.

A coast-to-coast tour over America's man-made structures, old and new; the Statue of Liberty and the Golden Gate Bridge.

A cross-country flight over icy landscapes in Alaska's Denali, vast wetlands in Florida's Everglades, and over 100 million acres of badlands, deserts, and mountains.

A tour over two U.S. territories, Puerto Rico and the U.S. Virgin Islands.

An aerial tour over America's coastlines explores the visual splendor and rich history of the nation's varied borders.

A flight over Northern California explores ancient forests, timeless coasts, golden cities and the region's pioneering spirit.

A flight over North and South Dakota reveals the shared history and the vast differences of these sibling states.

America's most remarkable natural wonders are explored including the Grand Canyon, the Great Lakes and more.

Tour the Wisconsin State Capitol and Milwaukee City Hall, once the tallest building in the world.

A flight over Missouri explores the Show Me State's towering monuments, mighty rivers and spectacular Ozarks.

A flying tour of Michigan's cultural landmarks, including Motown, the Great Lakes, the automobile industry and more.