The USS New York is a floating tribute to those who died Sept. 11, 2001, with 7.5 tons of steel salvaged from the wreckage of the Twin Towers forming her bow stem.

Azamara Journey travels the rivers of Southeast Asia, delivering passengers to exotic cities and hidden treasures that larger cruise ships cannot reach.

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

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

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 inside story of one of history's most infamous and complex investigations: the 1996 crash of TWA Flight 800.

United Airlines Flight 718 and Trans World Airlines Flight 2 collide midair over the Grand Canyon in Arizona, killing all 128 people on both aircraft in 1956.

Human flaws cause three plane crashes in England, Colorado and Minnesota.

Following three air crash investigations in which examiners are pushed to the limit to crack the cases.

Mike joins the Assault Craft Unit 5, the U.S. Navy's team for Landing Craft Air Cushions (LCACs); LCACs carry heavy vehicles and troops onto beaches; Mike helps fly & fix an overhauled LCAC during a U.S. Marines beach assault training mission.

An in-depth look at how things are repaired.

Mike Davidson heads to Brazil, where an offshore crew is racing the clock to set up giant power ships to deliver electricity to a country in desperate need.

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.

A sculptural high-rise with rippling balconies breaks the mold in Chicago; Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets.

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.

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

A 747 mayday triggers an emergency on Anchorage runways. A young aviator learns to fly to feed her village, military pilots navigate Alaska's icy peaks to be combat-ready, and an extreme surfer flies high to find waves at America.

A fishing derby tests pilots; crews battle a rusty plane; an aviator must dream big or go broke.

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.

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.

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.

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.

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

The inside stories behind a new, horseshoe-shaped complex in Rotterdam, a rock-shaped opera house in China, and a makeover of the British Museum.

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.

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

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

This 50-year-old ocean liner offers off-season Baltic tours, battling unpredictable weather to deliver one-of-a-kind experiences.

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.

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

The Carnival Vista is the new flagship for one of the world's largest cruise lines, carrying more than 4,600 passengers and boasting 10 restaurants, nearly 2,000 staterooms and a crew of 1,400.

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

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

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.

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

An elite group of British paratroopers launch a midnight raid in order to capture Hitler's unusual radar equipment.

American paratroopers are dropped behind German lines on D-Day in order to secure territory behind the beaches.

British Commandos raid two occupied Norwegian islands to wipe out fish oil factories used to make explosives.

The first invasion of the Italian Campaign of WWII: Operation Husky.

A secret British regiment in 1942 led a daring raid on a Nazi-occupied Libyan harbor.

An elite squad of Norwegians destroy a power plant in 1943 that the Nazis may have been using for nuclear weapons research.

The naval fighter designed to counter the Japanese Zero turns the tide of the war in the Pacific.

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

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

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

A Swissair passenger jet catches fire midflight and crashes into the Atlantic, leading to one of the largest investigations in aviation history.

A challenging descent in the Himalayas turns tragic when the pilots miscalculate their approach to a Kathmandu airport.

After a passenger jet miraculously survives a collision with trees while landing, investigators attempt to uncover why the plane was flying so low.

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

A Boeing 737 is rocked by a midair explosion that challenges its pilots and nearly ejects a passenger out of a blown-out window.

Caught in a major tropical storm, a 737 crashes just short of the runway on a Caribbean island, but the accident may not have been weather-related.

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

When a plane carrying Russian tourists crashes in Egypt, investigators face political tensions and terrorist claims in their search for the truth.

A computer glitch causes a highly automated Qantas Airways flight to nearly fall out of the sky; Australian investigators must find the cause before it happens again.

An Alitalia airliner crashes into a forested hillside just a few miles from a Zurich runway.

The 2010 crash of Ethiopian Airlines Flight 409 sparks rumors of terrorism.

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.

The Marine Corps' V-22 Osprey.

The history of the mean and ugly jet aircraft, the A-10 Warthog.

TANS Perú Flight 204 crashes into a muddy swamp while attempting to land at Pucallpa Airport, Peru, in a thunderstorm, killing 40 of the 98 people on board.

Featuring captivating reenactments and state-of-the-art CGI; Air Crash Investigation uncovers the truth behind the most legendary aviation disasters of all time.

An American Airlines Flight en route to Cali, Colombia loses their exact position and flies into a mountain.

A look at several air disasters that involved small components that failed; accidents caused by minor defects or errors; how the follow-up investigations led to changes that have made flying safer.

Turkish Airlines Flight 1951 stalls and crashes less than a mile from the runway while approaching Amsterdam Airport Schiphol.

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

An elite group of British paratroopers launch a midnight raid in order to capture Hitler's unusual radar equipment.

American paratroopers are dropped behind German lines on D-Day in order to secure territory behind the beaches.

British Commandos raid two occupied Norwegian islands to wipe out fish oil factories used to make explosives.

The first invasion of the Italian Campaign of WWII: Operation Husky.

A secret British regiment in 1942 led a daring raid on a Nazi-occupied Libyan harbor.

An elite squad of Norwegians destroy a power plant in 1943 that the Nazis may have been using for nuclear weapons research.

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.

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

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

Beauty of the Empire State; Central Park; tallest skyscrapers; mighty rivers; 17th century explorer Henry Hudson.

A high-flying tour of Pennsylvania.

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.

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

The stories and sights of Hawaii's major islands.

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

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

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

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

An unprecedented look at the world's most famous aircraft: how it was born, how it has developed over the years, and the role it has played in historic events.

The workers who serve the President inside the White House.

Reliving the scandal of the impeachment of President Bill Clinton; featuring exclusive, never-before-televised recordings from historian Taylor Branch.

Travel with Donald Trump aboard his luxurious Boeing 757 on a transatlantic flight to the U.K.

A look back at some of President Obama's speeches and statements.

Pilots of Eastern Airline Flight 401 try to determine why both landing-gear lights do not function on an L-1011, tragically distracting them.

Pilots of Eastern Airline Flight 401 try to determine why both landing-gear lights do not function on an L-1011, tragically distracting them.

SilkAir Flight 185 crashes into the Musi River in Indonesia after abruptly diving from its cruise altitude.

Faced with a midair crisis, pilots must make a life or death decision, but the wrong approach can trigger a far more serious problem.

On 25 July 2000, a Concorde operating as Air France Flight 4590 stalls and crashes into a hotel in Gonesse shortly after takeoff from Charles de Gaulle Airport, killing all of the 109 people on board and 4 on the ground.

On 15 September 1989, a National Oceanic and Atmospheric Administration aircraft tasked with intercepting Hurricane Hugo over the Caribbean islands is jolted by strong winds, causing an engine to catch fire and fail.

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

An aerial journey across Montana celebrates the Treasure State's adventure-filled history while showcasing its sprawling farms and rugged terrain.

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

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

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

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

Great mountain ranges; coal-based economy.

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

Trans-Air Service Flight 671 suffers an in-flight separation of its two right engines while en route to Kano, Nigeria, forcing the pilots to make an emergency landing at Istres-Le Tubé Air Base in France.

When a DC-8 cargo jet crashes on approach to a U.S. naval base in Guantanamo, investigators wonder if Cuba played a role.

Air accident survival stories; keeping passengers and crews alive when disaster strikes.

A departing DC-9 in Detroit gets lost in the fog and ends up in the path of an oncoming 727.

The dashcam of a passing car captures stunning footage of the final moments of a Taiwanese commuter aircraft as it banks steeply, clips an elevated highway and nosedives into the river; investigators find no signs of pre-impact malfunction.

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

Witness wild weather, emergency landings, and animal invaders at Ted Stevens International Airport in Anchorage, Alaska one of the world's busiest cargo airports.

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

Witness wild weather, emergency landings, and animal invaders at Ted Stevens International Airport in Anchorage, Alaska one of the world's busiest cargo airports.

After experiencing icing conditions, a turboprop slams into an Argentine desert; investigators are mystified by what they uncover.

A commercial airliner crashes minutes after taking off from an airport in Bucharest causing suspicions to rise.

An investigation into a jet crash from 2008 leads to a drastic change into the Russian aviation system.

A U.S. military plane veers off course and flies into a mountain while attempting to land at Dubrovnik Airport in Croatia in heavy fog, killing all 35 people on board.

A British Airways Flight's engines failure to respond cause the plane to crash-land just short of the runway.

A modern turboprop nosedives towards the North Sea after being struck by lightning, an unusual feature in the plane may explain why.

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

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

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

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.

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

Azamara Journey travels the rivers of Southeast Asia, delivering passengers to exotic cities and hidden treasures that larger cruise ships cannot reach.

South Africa's most luxurious train - Rovos Rail - travel from Pretoria to Cape Town in classic cars pulled by a series of steam, diesel and electric locomotives.

Go behind the scenes with NTV's two Italo trains - the AGV and the EVO - as they expand to cover more of the Italian railway network, connecting passengers from Turin to Venice, and Naples to Milan, on two of the world's fastest trains.

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

Filled with big toys, guests fly the trapeze, surf and skydive without ever leaving the world's most innovative cruise ship.

Follow the building of the Norwegian Breakaway at Germany's Meyer-Werft shipyard; it is the largest ship they've ever built and they have only 18 months to finish it.

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

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

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.

Travel with Donald Trump aboard his luxurious Boeing 757 on a transatlantic flight to the U.K.

The Indian Pacific is a four-day, 4,352-kilometre transcontinental journey across Australia, a trip which features the world's longest straight stretch of railway and steepest incline.

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

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.

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

Polish Air Force Flight 101, carrying the President of Poland Lech Kaczynski, his wife Maria Kaczynska and other top officials, crashes in a wooded area while on final approach to Smolensk North Airport in heavy fog and low visibility.

A new investigation sheds light on the controversial 1961 plane crash that killed U.N. Secretary-General Dag Hammarskjöld.

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

Colgan Air Flight 3407 stalls at low altitude and dives into a residential area near Buffalo, New York.

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

The Civil War turned Washington, D.C., into a symbol of the American people and their government.

Personal accounts of the atomic attack on Hiroshima in 1945.

Newly uncovered documents reveal a secret Nazi-American plot to rig the 1940 election and ultimately keep the U.S. out of WWII.

In 1982, satellites detect a massive explosion in the Siberian wilderness; new evidence reveals this may have been a CIA operation, utilizing the newly emerging field of computer viruses to get revenge on the Soviet Union for decades of espionage.

The story of eight filmmakers sent to Tehran to scout locations for a big budget, Hollywood-produced sci-fi fantasy film, as depicted in the film "Argo.".

Recently declassified U.S. government documents reveal hidden secrets about the nuclear arms race.

An unprecedented look at the world's most famous aircraft: how it was born, how it has developed over the years, and the role it has played in historic events.

The workers who serve the President inside the White House.

Reliving the scandal of the impeachment of President Bill Clinton; featuring exclusive, never-before-televised recordings from historian Taylor Branch.

Travel with Donald Trump aboard his luxurious Boeing 757 on a transatlantic flight to the U.K.

A look back at some of President Obama's speeches and statements.

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

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

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

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

A high-flying tour of Pennsylvania.

The Wright Brothers gave the state its slogan "First in Flight"; civil rights leaders in Greensboro; NASCAR.

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

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

A soaring tour over Washington, D.C. explores the unique landscape, rich history and colorful story of the Nation's Capital.

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

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

The stories and sights of Hawaii's major islands.

The remarkable story of Hitler's last will and testament, from his surprising discovery to the family dispute he triggered and the new ideas he offers about the Führer.

Dan Snow follows treasure hunters as they hunt for a missing train full of gold; Dan carries out his own investigation into this extraordinary story, one that leads all the way to Adolf Hitler himself.

For the first time in 70 years, forensic archaeologists have been granted access to the Treblinka death camp, which suddenly disappeared in 1943, along with some 900,000 victims.

Germany devastated Allied ships in the Atlantic, thanks to the new wolf pack tactic in 1940.

The Nazi campaign to send U-boats across the Atlantic to the U.S. at the beginning of Operation Drumbeat.

U.S. submarine skippers change the course of the WWII after entering the war and taking the fight to Japanese warships.

A 3-day clash between Nazi U-boats and Allied ships in March of 1943 marks a major turning point in World War II.

In June of 1944, American skipper Sam Dealey leads a rescue mission in Borneo.

Submarine skipper Dick O'Kane and the USS Tang sink Japanese ships through 1944, until their reign is threatened.

Auschwitz survivors explore the railways' part in the Nazis' mass murder.

Gordon Welchman's top-secret work helped defeat the Nazis and impacted modern codebreaking.

The remarkable story of Hitler's last will and testament, from his surprising discovery to the family dispute he triggered and the new ideas he offers about the Führer.

Dan Snow follows treasure hunters as they hunt for a missing train full of gold; Dan carries out his own investigation into this extraordinary story, one that leads all the way to Adolf Hitler himself.

For the first time in 70 years, forensic archaeologists have been granted access to the Treblinka death camp, which suddenly disappeared in 1943, along with some 900,000 victims.

A fishing derby tests pilots; crews battle a rusty plane; an aviator must dream big or go broke.

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.

A breakdown on the Fairbanks runway threatens a heavy-weight military jet's urgent mission; a rookie flight instructor faces a make-or-break flight; an ice-tour pilot races against Alaskan weather; a bush airline flies a 400-mile pizza delivery.

Germany devastated Allied ships in the Atlantic, thanks to the new wolf pack tactic in 1940.

The Nazi campaign to send U-boats across the Atlantic to the U.S. at the beginning of Operation Drumbeat.

U.S. submarine skippers change the course of the WWII after entering the war and taking the fight to Japanese warships.

A 3-day clash between Nazi U-boats and Allied ships in March of 1943 marks a major turning point in World War II.

In June of 1944, American skipper Sam Dealey leads a rescue mission in Borneo.

Submarine skipper Dick O'Kane and the USS Tang sink Japanese ships through 1944, until their reign is threatened.

The four Soviet subs involved in the Cuban Missile Crisis and how they nearly triggered a nuclear war.

The engineering secrets behind a mobile research station in Antarctica, a gravity-defying concert hall on the Canary Islands, and a rotating boat lift in Scotland.

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.

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.

Alien port authority in Belgium; ultrathin skyscraper in Manhattan; hanging museum in Scotland.

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.

Challenges beset a sculptural new transportation hub for New York's World Trade Center; Amsterdam gains a building inspired by a mountain valley; a new launchpad for space travel prepares for liftoff in the New Mexico desert.

Mike Davidson goes on a cross-country road trip to help the Well Done Foundation; they work to find and cap some of the estimated 2 million leaking, toxic abandoned oil and gas wells scattered throughout the U.S.

Host Mike Davidson goes to the remote Atacama desert in Chile; at observatory ALMA he works alongside the expert team as they repair some of the world's biggest antennas.

Mike Davidson embarks with the team to one of the most extreme, avalanche-prone ski mountains in the world: Snowbird; they battle to keep the steep and deep slopes safe with shovels, snowcats and even a WWII Howitzer.

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.

At Cirque Du Soileil in Las Vegas, Mike embeds with the talented teams that maintain the amazing machines behind Cirque Du Soleil's stage shows.

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 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.

Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge.

A dazzling new 1400 foot tapering skyscraper is built right next to New York's Grand Central. A curving wine museum requires ingenious engineering in Bordeaux, France. And possibly the world's most glamorous parking garage.

The American Museum of Natural History in NYC gets a cave-like extension; an arts center inspired by migrating birds is built on a lake in China; Boston University gains a fossil-free, Jenga-like tower.

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

Visiting Australia's One Central Park, the Oslo Opera House and the California Academy of Sciences in San Francisco to reveal their architectural secrets.

A London railway station; giant Singapore biodomes; eye-catching hospital in Las Vegas.

Exploring behind-the-scenes of design and construction of revolutionary buildings in Spain, New York and a university campus in Florida.

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.

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

Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge.

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

When a modified WWII fighter plane crashes into the crowd at a Nevada air show, investigators struggle to find the cause.

A large cargo jet slices into an apartment complex in Amsterdam and reveals a potentially lethal problem threatening every 747 in the sky.

Investigators try to solve the mystery of a plane whose captain and co-pilot are missing.

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.

A British Airways flight to Australia in 1982 crashes into the Indian Ocean.

A design fault leads to an explosion on a DC-10 and two years later the same design fault causes another tragedy.

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

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

A pilot heads for a decommissioned air force base when the Boeing 767 jet he is flying unexpectedly runs out of fuel.

Air France Flight 296 fails to regain altitude after performing a flyby during an air show at Mulhouse-Habsheim Airport.

A bomb explodes on Air India Flight 182 en route from Canada to India causing it to disintegrate over the coast of Ireland.

Conflicting alarms confuse pilots of Birgenair Flight 301 before it crashes into the ocean with no survivors.

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