At Monster Jam, custom-built monster trucks roll, flip, and fly through the air. With the metal-bending beating these trucks endure, teams of specialized mechanics race against the clock to repair these engineering marvels in time for the next event.

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

At Monster Jam, custom-built monster trucks roll, flip, and fly through the air. With the metal-bending beating these trucks endure, teams of specialized mechanics race against the clock to repair these engineering marvels in time for the next event.

From corrosion and metal fatigue to faulty repairs, three doomed airlines are brought down by gradually deteriorating parts.

A look at the fate of United Airlines Flight 232 which crashed into Sioux City's runway in 1989; it caused a subsequent explosion that left 111 people dead.

Pilots are prepared to cope with a range of emergency scenarios, but failures in training can lead to catastrophe in the cockpit.

With hidden flaws buried in their navigation systems, three planes suffer catastrophic computer errors that force investigators to dig deep for clues.

On August 22nd, 1985, 55 people died aboard British Airtours flight 28M when its engine catches fire as it accelerates.

Investigators struggle to understand the unusual flight path and Himalayan crash site of Thai Airways Flight 311.

On 1 June 2009, Air France Flight 447 stalls and crashes into the Atlantic Ocean while flying through a thunderstorm, killing all 228 people on board.

The captain of a Navy cruiser must quickly determine if an approaching plane is friendly.

A helicopter carrying oil workers to an offshore drilling platform crashes.

The two-man crew of a UPS cargo jet must attempt an emergency landing when a fire in the cargo hold fills their cockpit with smoke.

After taking off from Taiwan, a China Airlines 747 suddenly disappears from radar and crashes, killing 225 people.

A 747's cargo door opens at 23,000 feet, causing an explosive decompression that ejects nine passengers from the plane.

In 1991, a Boeing 737 operating as United Airlines Flight 585 suddenly rolls into a dive and crashes within eight seconds, killing all 25 people on board.

History's most terrifying air disasters, and the investigations that followed, are revisited and reexamined.

When Germanwings Flight 9525 crashes in the French Alps, investigators discover shocking truths about the co-pilot's mental health.

Investigators try to find the cause of two similar air crashes that happened nearly 12 years apart.

Facing a cascade of failures and a fire on board, a turboprop is just seconds from landing when it flips over and crashes.

The investigation into the 2014 crash of a TransAsia flight uncovers a systemic problem with the airline.

Three last-resort water landings, all handled differently yet each one crucial to improving the outcomes of ditching on open water.

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

An in-depth look at how things are repaired.

A quick trip from Washington D.C. to Ohio in 1994 turns deadly when pilots of a twin-engine turboprop attempt a risky landing.

The pairing of a domineering pilot and an inexperienced first officer has deadly consequences in northern Minnesota.

When an A300 stalls and crashes just before landing in Japan, fears arise about the plane's complex automated systems.

Three flights end in tragedy after miscommunication mix-ups and personality clases; Investigators try to unravel what went wrong.

A helicopter carrying offshore drilling workers crashes into the ocean, leading to an investigation that reveals a fatal flaw in the chopper's design.

A cleaning crew makes a careless error while cleaning a Boeing 757, affecting the plane's computer system and causing it to crash into the Pacific Ocean.

When a USAF stealth bomber crashes after takeoff, investigators search for a reason.

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

The Sky Princess carries passengers from Fort Lauderdale, Florida, to three Central American stops.

The new Viking Sea cruise ship whisks guests away on a journey across the Arctic Circle and into the heart of Norway.

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.

Follow mega cruiser Regal Princess as she whisks guests to Germany, Russia, and Scandinavia in style.

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

A trip aboard the luxury tourist train, Transcantábrico Clásico through Northern Spain along a historic 19th century rail line.

A trip aboard one of the world's most expensive and sought-after train rides details the journey for both passengers and crew.

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.

The maiden voyage of the Oasis of the Seas, the largest, most revolutionary cruise ship in the world.

Take a river tour through some of Europe's greatest cities-Budapest, Vienna, and Amsterdam-on Viking Longship Gefjon.

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

The Stargazer launches Pegasus rockets, delivering specialized weather satellites designed to detect the magnitude and intensity of hurricanes.

The Ghan takes passengers on a 3-day, 2-night journey through Australia; the Pichi Pichi Railway offers passengers a trip on an original steam locomotive train.

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

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.

Switzerland's Bernina Express is one of the most beautiful train journeys on Earth, especially in winter; one of three railway lines on the UNESCO World Heritage list, it navigates 55 tunnels and nearly 200 viaducts and bridges.

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.

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

The Paul Gauguin offers five-star luxury while sailing near the coral reefs, mountainous islands and tropical playgrounds of French Polynesia.

New luxury liner Le Soleal navigates the uncharted waters of Indonesia to give her passengers one-of-a-kind encounters at exotic destinations.

Take a cruise where the guests choose the ports to visit and the captain and crew work overtime to make it happen.

In 1999, EgyptAir Flight 990 crashes into the Atlantic Ocean while flying from New York City to Cairo, killing all 217 people on board; the cause of the crash is disputed.

Northwest Airlines Flight 255 crashes shortly after take-off in Detroit in 1987; a fatal preflight error caused the second-deadliest plane crash in the U.S. history.

When Air Transat Flight 236 runs out of fuel over the Atlantic, its pilots desperately try to keep their Airbus A330 in the air until they reach land.

Three devastating crashes make front-page news around the globe; the media frenzy puts intense pressure on investigators to uncover the causes.

The U.S. Aviation Weather Center in Kansas City, Miss.; the importance of accurate weather forecasting to the aviation industry.

How routine flights can turn catastrophic in mere seconds when the pilots become momentarily distracted; three flights end in a disaster.

Almost immediately after taking off from Madrid International Airport, Spanair Flight 5022 banked to the right, slammed into a creek and burst into flames.

A 1.2 million square foot office building balances precariously on a 39 foot wide base in Chicago. A building named Pterodactyl lands on top of a Los Angeles parking garage. And the world's longest suspension footbridge.

Visiting the Hearst Tower in Manhattan and Jewel Changi Airport in Singapore to understand how they were built; covering how designers and engineers attempt to create a museum worthy of Salvador Dali in Florida.

A towering bridge in France; upside-down hotel in China; Italy's forest into the sky.

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.

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

An unstable high rise, an otherworldly museum, and a towering cliffside elevator.

An in-depth look at how things are repaired.

Mike Davidson goes to the biggest automated package sorting facility in the world - UPS Worldport in Louisville, Kentucky. Two million packages go through here every day.

A crew and its massive air crane helicopter haul millions of pounds of timber while battling the elements and handling emergency repairs.

An in-depth look at how things are repaired.

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

A private jet attempting to compensate for a late approach to the airport, slams into an Ohio apartment building just a couple of miles from the runway.

A high-stakes demonstration flight in Indonesia turns catastrophic when a Russian jet slams into a mountain.

A complex recovery operation is launched to find out if a 747 which disappeared into the Indian Ocean was carrying illegal weapons.

A Boeing 737 leaving Panama City crashes into one of the most remote and treacherous jungles on the planet.

On 27 November 2008, an aircraft on a post-maintenance test flight operating as XL Airways Germany Flight 888T stalls and crashes into the Mediterranean Sea off the coast of France, killing all seven people on board.

The 200-year evolution of the submarine in wartime is examined, told by the designers and engineers behind the machines.

An up-close look at the naval carriers, destroyers, and nuclear submarines of the Cold War.

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.

Stories of historic Black struggle for equality in maritime combat; an enslaved powder boy who served during the French and Indian War; a Civil War gunner; the first African American to command a vessel with a fully integrated crew: Hugh Mulzac.

[EPG Series] A look at how technological advances over the centuries have led to bigger and faster combat ships and transformed maritime warfare.

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 massive AC-130 provides unparalleled close air support to U.S. and allied ground troops.

The inside story of how the AH/MH-6 evolved over the decades to become an irreplacable aircraft for the U.S. Military.

The inside story of Britain's flagship super jet of the Cold War era, the Hawker Hunter, and its most thrilling flights during the late 20th century.

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.

A look at the British multi-role fighter aircraft; the de Havilland Mosquito was used in the Second World War as a bomber, fighter and reconnaissance aircraft.

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.

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

A Manhattan high-rise; an Athens cultural center; a Singapore university.

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 Olympic and Paralympic museum tests engineers with its trailblazing accessible design. A dazzling curved glass skyscraper battles gravity in Milan. And a student center built under a noisy railroad.

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

Traveling to New York, Denver and Nice, France to visit Little Island, the Denver Museum of Art and La Tête Carrée; the secrets to how they were built is revealed.

Architects and engineers build an eco-friendly convention center on Vancouver's waterfront, a lift bridge in Bordeaux and a cocoon-shaped skyscraper in Tokyo each with unique challenges like marine habitats and massive spans.

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.

Visiting London's Gherkin, Seattle's Evergreen Point Floating Bridge and Lyon's Musée des Confluences to uncover how and why they were built.

Mike joins the U.S. Marines' Heavy Haulers helicopter squadron and gets inside their battle to keep a fleet of souped-up Sikorsky CH-53E Super Stallion choppers flying as they prepare for intense war games in the desert and mountains.

Diving into retrofits on the world's only underwater habitat, where NASA astronauts train for space missions; Mike joins a crack repair team who breathe new life into this oceanic environment after a global pandemic shut it down.

Following a million-dollar freight run across four European countries and meeting the drivers, engineers and maintenance teams who keep the train running.

A ride through Eastern Europe aboard heavy-hauling trains shows the logistical and mechanical challenges of making a multimillion-dollar cargo delivery.

An in-depth look at how things are repaired.

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

An examination of three crashes that occurred when pilots battled against their sophisticated aircraft.

A plane with members of the Manchester United football team crashes while heading home from Yugoslavia, killing 23 aboard.

On 28 December 1978, the crew of United Airlines Flight 173 are preoccupied with a landing gear problem as the aircraft circles in a holding pattern in the vicinity of Portland, Oregon; it runs out of fuel and crashes in a sparsely populated area.

On 10 January 2000, Crossair Flight 498 crashes just two minutes after takeoff from Zürich, Switzerland, while heading for Dresden, Germany, killing all 10 people on board.

In Sao Paolo, the Himalayas, and on the Norwegian coast, the toughest landings on earth pushed three flight crews.

Pilots of TACA Flight 110 make a remarkable landing on a narrow levee, but investigators must find out why the engines in a brand new plane failed.

On July 17, 2007, TAM Airlines Flight 3054 slides off runway 35L at Congonhas Airport in São Paulo, Brazil, and crashes at high speed into a warehouse adjacent to a petrol station killing nearly 200 people.

A pilot's decision to let his 15-year-old son fly has disastrous consequences on a commercial flight.

A look at three commercial planes that became targets over the Sinai Desert, the Sea of Japan and Ukraine.

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

From battlefields where hundreds died to Beale Street where musical legends were born.

A small state has a whole lot of history.

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

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.

A sky-high tour over Minnesota reveals the state's ancient, glacial landscapes and tells the stories of the pioneers who helped build the nation.

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

A cross-country flight across America reveals the nation's most iconic industries, the people behind them and the stories of how they came to be.

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

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

Louisiana's wetlands and underwater oil fields.

A journey over America's western landscape featuring "wild" history and stories of colorful characters.

A day-long aerial tour of the New England city of Boston in Massachusetts; where Americans first rebelled against Britain by dumping chests of tea into the harbor and where rock band Aerosmith first made it big.

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.

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

Japan's largest cruise ship brings East and West together on a cruise featuring cherry.

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.

An in-depth look at how things are repaired.

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

The FBI and NTSB join forces to determine how terrorists hijacked American Airlines Flight 77 and flew it into the Pentagon on September 11, 2001.

When a 737 careens off the runway in Indonesia, investigators uncover a shocking explanation for the crash.

Airplane crashes involving high-profile passengers put added pressure on investigators.

History's most terrifying air disasters, and the investigations that followed, are revisited and reexamined.

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

An aerial tour of New York City, spanning the city's five boroughs, capturing man-made and natural wonders; revealing the ways its citizens live, work and play.

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

A flight over Massachusetts explores the sites; the Bay State, from Martha's Vineyard to the Bambino's Curse, seen from the air.

The stories and sights of Hawaii's major islands.

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

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

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

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

One of the most beautiful states on the Atlantic Coast.

Oregon's Cascade Mountains; Columbia River waterway.

A 1986 midair crash between planes near Los Angeles brings attention to disturbing congestion at airports.

When a turboprop stalls and crashes into a North Carolina forest, investigators resort to a risky test flight-and uncover an industry-wide safety problem.

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

Alaska Airlines Flight 261 crashed in the Pacific, leaving investigators without answers; American Eagle Flight 4184 crashed because of a lethal combination.

Mike is in Iceland, where teams harness the power of volcanos to keep the geothermal energy flowing; they battle harsh weather to maintain and upgrade giant power systems, fixing miles of steam pipes. and bringing a dead well back to life.

Alaska Airlines Flight 261 crashed in the Pacific, leaving investigators without answers; American Eagle Flight 4184 crashed because of a lethal combination.

Mike is in Iceland, where teams harness the power of volcanos to keep the geothermal energy flowing; they battle harsh weather to maintain and upgrade giant power systems, fixing miles of steam pipes. and bringing a dead well back to life.

Alaska Airlines Flight 261 crashed in the Pacific, leaving investigators without answers; American Eagle Flight 4184 crashed because of a lethal combination.

Mike is in Iceland, where teams harness the power of volcanos to keep the geothermal energy flowing; they battle harsh weather to maintain and upgrade giant power systems, fixing miles of steam pipes. and bringing a dead well back to life.

Three crews experience the same devastating event; but with radically different outcomes when an engine falls off their commercial airplane.

When John F. Kennedy Jr.'s Piper Saratoga crashed in 1999, the NTSB faces enormous pressure to find the wreckage and the cause.

A false warning in the cockpit triggers a series of pilot errors, sending a commuter plane crashing by the runway of an Amsterdam airport.

Seeing how international investigative teams must overcome differences to solve controversial plane crashes.

Relying on instinct rather than the rule book, three flights end in tragedy when crews improvise on their final approach.

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

Near the end of its flight, Continental Express Flight 2574 suffers wing damage and goes into a dive falling out of the sky.

When an American cargo plane crashes moments after takeoff, investigators uncover a systemic problem with aircraft maintenance.

Passengers and crew escape a jet that skid off the runway before catching fire.

When an airbus A330 loses both engines, its pilots must think of a solution before they crash into the South China Sea.

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.

A Boeing 767 crashes miles from a South Korean runway; the investigation leads to contradicting stories between the surviving pilot and air traffic control.

A look at the fatal consequences that can occur when a fire breaks out on a plane; three flights that erupted in flames, and the investigations that changed aviation forever.

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.