More than 75 years since the historic Allied invasion; Conflict archeologists uncover hidden evidence on and off the shores of Normandy, thanks to drone technology; One team examines the site of a British commando raid that liberated Port-en-Bessin.

The story of Nazi Germany's unprecedented aerial assault on Britain's major cities and how the resilience of its citizens became a news event.

On D-Day, Allied forces land in Normandy, France, to beat back the German troops and liberate France; previously unseen archival footage captures the 85-day struggle to liberate Europe and includes rare images of the battle itself.

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.

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

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

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

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

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

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.

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

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

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.

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

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

The stories and sights of Hawaii's major islands.

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

Southern Mexico stretches from Yucatan's crystal-clear cenotes to the fertile land of the Oaxaca Valley; Maya and Zapotec traditions live through gastronomy and art; history is ever present in ancient pyramids and architecture.

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

Southern Mexico stretches from Yucatan's crystal-clear cenotes to the fertile land of the Oaxaca Valley; Maya and Zapotec traditions live through gastronomy and art; history is ever present in ancient pyramids and architecture.

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.

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

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.

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.

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

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

A bomb explodes on Pan Am Flight 103, causing the aircraft to disintegrate in mid-air and the wreckage of the aircraft to crash into the Scottish town of Lockerbie, killing all 259 people on board and 11 people on the ground.

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.

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.

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.

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.

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.

Southern Mexico stretches from Yucatan's crystal-clear cenotes to the fertile land of the Oaxaca Valley; Maya and Zapotec traditions live through gastronomy and art; history is ever present in ancient pyramids and architecture.

For centuries, Mexico's historic center has been a land of legends and power. From Veracruz's shores to Mexico City's ancient layers, Puebla's epic battle and Michoacan's indigenous traditions, discover where empires rise and tr.

Western Mexico reveals the country's most iconic images. From the birthplace of tequila and mariachi to the world's busiest border. Golden sands border the aquarium of the world while volcanic craters mirror lunar landscapes.

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.

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.

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

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

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

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

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

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

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

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

The prairies of Canada; the deserts of Australia; the cold of the Norwegian Arctic Circle; the steepest slopes of the mighty Swiss Alps.

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

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.

SOFIA, the largest airborne observatory in the world, boasts a 17-ton telescope capable of making observations impossible for ground-based telescopes.

VIA Rail's passenger train travels between Vancouver and Toronto on four-day, four-night journey that cater to everyone.

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.

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

Travel aboard the colourful trains of the State Railway of Thailand and explore the famed Death Railway; the trains travel through ancient areas, historic tunnels, and raging rivers.

Hector Rail's trains haul timber to a pulp mill in Ostrand, Sweden on some of the most difficult railways in the country.

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

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

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.

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 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.

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

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

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.

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.

Mike helps fix the vessels that the U.S. Coast Guard use to keep the oceans safe; he replaces key parts of ship engines, removes a large crane from a buoy tender, and fixes a helicopter for a critical exercise.

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.

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.

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.

Building an eco-friendly visitor centre in the permafrost on Colorado's Pikes Peak tests the team. A museum is constructed in a disused dry dock that's in danger of collapse.

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

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.

Southern Mexico stretches from Yucatan's crystal-clear cenotes to the fertile land of the Oaxaca Valley; Maya and Zapotec traditions live through gastronomy and art; history is ever present in ancient pyramids and architecture.

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

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.

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.

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.

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.

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.

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.

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

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.

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.