[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.

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

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

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.

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 world's largest volcanic island; Iceland's landscapes, forged by fire and ice; a tour over Alaska, the residents it attracts and the wildlife that thrives in these unique surroundings.

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

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

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

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

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.

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

Three planes fall prey to deadly winds, and it is up to investigators to find out why.

Ethiopian Airlines Flight 302 crashes shortly after takeoff.

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.

Ethiopian Airlines Flight 302 crashes shortly after takeoff.

Following the story of the Scandinavian Airlines Flight 751 and Captain Rasmussen.

Ethiopian Airlines Flight 302 crashes shortly after takeoff.

A look at the string of events that caused a midair collision in 2002 over the skies of southern Germany; a Bashkirian Airlines Flight collides with a DHL Flight in German airspace near Überlingen.

A United States Air Force transport aircraft conducting the inaugural flight of Operation Babylift suffers an explosive decompression when the rear cargo door fails and crashes into a paddy field while attempting an emergency landing.

Investigators discover a shocking mistake when pilots must ditch their plane in the Mediterranean, killing 14 of the 34 passengers.

Delta Air Lines Flight 1141 crashes beyond the runway while taking off from Dallas/Fort Worth International Airport.

Experts examine a departing DC-9 in Detroit which gets lost in the fog and ends up in the path of an oncoming 727.

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.

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.

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

Two 747s collide on the runway of a small airport in the Canary Islands, resulting in history's deadliest air crash.

On 18 June 1972, British European Airways Flight 548 stalls and crashes in a field near Staines shortly after takeoff from London Heathrow Airport, killing all 118 people on board.

After a Boeing 727's near-fatal nosedive over Michigan, investigators risk their own lives to determine what caused the aircraft to lose control.

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

The 2000 crash of an Alaska Airlines plane just off the California coast leads to a disturbing discovery about the company's cost-cutting procedures.

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.

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

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

Hitler unleashes the full wrath of his military might.

The darkest days of the war are covered; Germany conquers France; British civilians endure the Blitz.

As the war continues into 1941, the conflict goes truly global with the savage battle for Moscow and Japan's surprise attack on Pearl Harbor.

America joins the war; the conflict rages in South-East Asia, North Africa and Russia; the Nazis instigate The Final Solution.

The death toll rises as the war reaches its conclusion.

The Allies' heroics keep Hitler from advancing; the Red Army arrives in Berlin.

Ethiopian Airlines Flight 302 crashes shortly after takeoff.

US Airways Flight 1549 suffers a bird strike with a flock of Canada geese, causing both engines to fail.

The crew of a commuter flight over France makes a sight-seeing detour that sets off a deadly chain of events.

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

Five aviation disasters and the changes they have forced air-traffic controllers to make.

On 13 January 1982, Air Florida Flight 90 stalls at 300 feet altitude, strikes a road bridge and crashes into the Potomac River, killing 78 people.

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.

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

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

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.

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.

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.

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.

The White Pass and Yukon route was built in 1869 to take miners and supplies to the Klondike gold fields.

The Norwegian Breakaway cruise ship sets sail on her first voyage, and her captain faces a tough decision when a North Atlantic tempest forms.

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

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

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

The German Air Force is overhauling their entire fleet of outdated cargo planes, and replacing them with Airbus' latest state-of-the-art military aircraft, the A400M, which can haul massive loads.

The Glacier Express features cutting-edge technology to pull the train up the steepest slopes on its route across the Swiss Alps.

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

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

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.

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

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

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

Peek inside a cloud-inspired library in Canada that's built over a live railway; see how clever engineering helped a huge Seattle skyscraper go up without harming its iconic neighbour, then cross an Australian bridge that floats above a busy river.

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.

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 284ft wooden skyscraper built from 1,200 bespoke pieces tests fire safety limits in Milwaukee; a decaying Amsterdam crane track transforms into glass offices; a needle-thin tower stacks 28 apartments onto a 21ft-wide plot in Melbourne, Australia.

Paying tribute to the brave, gravity-defying design of the U.S. National Medal of Honor Museum; traveling to Singapore for a look at a leaning tower of gambling, then exploring a New York City office building that lets the sun shine through.

Celebrating one of humanities biggest engineering achievements, the International Space Station, a meteor proof lab bigger than a football field, constructed by astronauts traveling 250 miles above us at 17,500 miles an hour.

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 works with the U.S. Army in Germany inside the massive fix facility The MAK, Maintenance Activity Kaiserslautern, as teams repair over one hundred Bradley fighting vehicles, then embeds with troops in a massive two week long battle exercise.

Mike works with the Army Corps of Engineers on a massive project to restore essential flow of fresh water to the Florida Everglades. He also joins scientists, python hunters and the Miccosuke Tribe to eliminate invasive species.

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.

On inadequate foundations, San Francisco's MOMA triples in size creating an exterior light enough to prevent collapse; a 1970s Sydney skyscraper is recycled into a 21st century tower; in Dallas, a five acre park is created.

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

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; the world's longest suspension footbridge.

Examine the sightlines in Los Angeles's SoFi Stadium, which sits right in the flight path of LAX; celebrate the ingenuity of the inexperienced crew that built a monumental skyscraper in Malta; visit a forest tower designed for testing elevators.

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.

Ethiopian Airlines Flight 302 crashes shortly after takeoff.

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.

From delusional hijackers to suicidal pilots, three flights fall victim to astonishing acts of sabotage.

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

Leading aviation experts are confronted with a shocking theory as they investigate one of the greatest aviation mysteries of all time.

When an African airliner mysteriously crashes, Namibian investigators have to rule out a host of possible causes before reaching a conclusion.

When a turboprop loses engine power and crashes in Papua New Guinea, investigators discover a fatal defect existing in Dash 8s around the world.

When an Airbus crashes into the Mediterranean Sea, Egyptian authorities, French investigators and an Italian journalist theorize different causes for the accident.

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

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.

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

The true story of the F-14 Tomcat, the military aircraft made famous in "Top Gun"; how it served as the US Navy's top carrier fighter for a generation.

The most-produced bomber in US history, used during World War II by every branch of the American military, as well as by the Royal Air Force.

A look at the amphibious aircraft and the many roles it served during WWII, from patrol bomber to search-and-rescue aircraft.

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

The overlooked underdog of British fighter planes; fast and versatile, the dogfighter doubled as a bomber and ground support aircraft in every theatre of WWII.

An inside look at the Panavia Tornado's evolution from a Cold War low-level bomber to a high-level fighter-interceptor.

The inside story of the Avro Lancaster, the British bomber that was rushed into service to fight back against Nazi Germany.

The Boeing B-17 Flying Fortress is one of the most lethal bombers of the U.S. Air Force in WWII's European and Pacific campaigns; among other things, the plane delivered food to the German-occupied Netherlands.

A look at the rise and fall of the infamous Nazi dive bomber Ju-87 Stuka, an aircraft of World War II.

The Spitfire's legend and role in the Battle of Britain.

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.

The history of the F-111 and how the fighter-bomber no one wanted went on to dominate both air and battlefields in the late 20th century.

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 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.

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

Great mountain ranges; coal-based economy.

One of the most beautiful states on the Atlantic Coast.

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

The roof of an Aloha Airlines 737 tears off the plane at 24,000 feet in the sky.

A Northwest Airlines flight cruises above the Bering Sea before problems develop and pilots must make an emergency landing in Anchorage.

An air traffic controller's mistake causes a Boeing 737 to land on a runway already occupied by another aircraft.

On 4 November 2010, shortly after takeoff from Singapore, the number-two engine on Qantas Flight 32 partially disintegrates, causing serious damage to its left wing.

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

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.

Ethiopian Airlines Flight 302 crashes shortly after takeoff.

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

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

When former race car driver Niki Lauda's planes nosedives into a Thai jungle, a one-in-a-million failure reveals a weak spot in every Boeing 767; radio silence between pilots and air traffic controllers send investigators hunting for answers.

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

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.

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

A blade on the left-side propeller of Atlantic Southeast Airlines Flight breaks off; the imbalance of the rotating propeller causes the engine to partly tear itself from its mounting.

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

A mechanical problem aboard an Air Canada plane turns into an all-out emergency six miles in the air.

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

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.

A high-flying tour over Illinois; the Windy City, prairies and rivers; the state's dramatic history of great fires, crime and historic battles; Chicago's unique skyscrapers and the Lincoln Tomb.

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

A sky-high tour over Iowa explores its vast stretches of farmland, covered bridges and evolution from wilderness to statehood.

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.

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

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

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.

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

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

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.

While landing at a notoriously tricky Alaskan island airport, the pilots of a twin turboprop can't stop their plane.

After a DC-8 cargo plane with only three working engines crashes on takeoff in Kansas City, investigators uncover a flaw in the pilots' training.

Two float planes collide midair near an Alaskan waterfall. One shatters; the other crash-lands intact. With no warning before impact, investigators use wreckage clues and 3D tech to uncover how-and why-the deadly crash occurred.

Solving the crash of China Airlines Flight 676 hinges on 11 baffling seconds when neither pilot controls the airplane.

As flames emerge through the cockpit floor, the pilots of Pilgrim Airlines 458 manage a landing on a frozen Rhode Island reservoir.

Colgan Air 9446 nosedives into the waters off Cape Cod just minutes after takeoff following a four-day maintenance stop.

Ethiopian Airlines Flight 302 crashes shortly after takeoff.

UPS Airlines Flight 1354 clips the tops of trees and crashes into a hillside about one nautical mile short of the runway during final approach to Birmingham-Shuttlesworth International Airport in Alabama.

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

A freight train carrying an excess of cargo loses its brakes while descending a mountain causing it to gain speed and derail into a neighborhood killing several people.

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

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

The birthplace of the Star Spangled Banner; sites Harriet Tubman, Babe Ruth and the DuPont family made their marks on history.

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

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

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

The stories and sights of Hawaii's major islands.

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

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.

Taking an aerial tour of Virginia.

Experts investigate the Saudia Flight 163 tragedy, which killed 287 passengers and 14 crew members following an in-flight fire.

With a young rising football star on board, a chartered Piper Malibu suddenly disappears from radar over the English Channel.

Ethiopian Airlines Flight 302 crashes shortly after takeoff.

Just after takeoff from Honolulu, TransAir Flight 810 loses power and ditches in the Pacific. Both pilots survive, blaming dual engine failure-but when the Boeing 737 is recovered, the wreckage reveals a different cause behind t.

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.

Just after takeoff from Honolulu, TransAir Flight 810 loses power and ditches in the Pacific. Both pilots survive, blaming dual engine failure-but when the Boeing 737 is recovered, the wreckage reveals a different cause behind t.

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

Just after takeoff from Honolulu, TransAir Flight 810 loses power and ditches in the Pacific. Both pilots survive, blaming dual engine failure-but when the Boeing 737 is recovered, the wreckage reveals a different cause behind t.

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.

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.

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 planes fatally out of balance force investigators to question every calculation; it's a flight risk that's entirely preventable, and yet repeated disasters reconfirm the need for critical backup systems.

In one of the world's busiest airports, a large passenger plane crashes into a smaller one; a 1986 midair crash between planes near Los Angeles brings attention to disturbing congestion at airports.

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

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

The crash of a commuter flight to Detroit leads investigators to a cause the industry has known about for years.

Atlantic Airways Flight 670 careened off the runway and became engulfed in flames.

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.

Air France Flight 296 fails to regain altitude after performing a fly-by 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.

A look at life in the Pacific before, during, and after the attack on Pearl Harbor, presented through home movies and combat footage.

Months after the Pearl Harbor attack, shock waves reverberate in every corner of the Pacific; Americans deploy to stem the enemy's advance; after culture clashes, Allied forces later bond over efforts to thwart Japan's move to control New Guinea.

In 1943, the United States engages in a new series of island-hopping invasions; the first stop is the Tarawa Atoll, where troops embark upon the largest amphibious invasion ever staged in the Pacific to fight one of the costliest battles of the war.