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

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

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.

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

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

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

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.

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.

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

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.

Nevada has over 40,000 abandoned mines posing dangers. Mike joins contractors for a week to secure five sites. Alongside biologists, they explore and document wildlife. Reaching these isolated mines requires barges, helicopters, and bulldozers.

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.

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

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

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

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

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

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

Three horrific aviation disasters are all linked to breakdowns in vital security measures.

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 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.

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 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.

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

A look at 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.

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.

The Vietnam-era OV-10 Bronco is pulled out of retirement to join the fight against ISIS.

The history of the Russian MiG, American air power's fiercest rival for more than 50 years.

Considered the deadliest fighter of WWII, Germany's Me-109s were feared by Allied bombers and fighters alike; 109s fought Spitfires in the Battle of Britain and alongside Rommel in North Africa.

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.

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

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.

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.

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

The fighter plane that helped turn the tide of World War II; the P-51 Mustang.

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

A sky-high tour over Ireland reveals its towering cliffs, rolling hills, ancient ruins, and rich history.

An aerial tour over New Zealand showcases a diverse world of snow-capped mountains, active volcanoes, and a storied past.

An aerial tour of northern Greece explores Mount Olympus, Macedonia, the island of Corfu and more; the lifestyles of the region's inhabitants.

Capturing from high, the islands Crete, Samos, Chios, Rhodes and the Dodecanese; exploring the distinct culture and unique stories of these islands.

An aerial tour over southern Greece celebrates its landscapes, its ancient and mythical past and the people who call it home.

An exploration of the Cyclades in the Aegean Sea; exploring the tourist hotspots of Mykonos and Santoríni to Náxos and Amorgós.

An in-depth look at how things are repaired.

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.

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

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

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.

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.

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.

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

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.

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

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

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

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

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

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

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

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.

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.

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.

Rare archive footage charts the German Army in 1940 as it unleashes a new Blitzkrieg tactic.

Cameras roll as Nazi Germany launches an all-out assault on the Soviet Union.

Footage of life and death on the battlefield of El Alamein and behind the lines in the African desert.

The story of the greatest tank battle the world has ever seen.

Eye-witness accounts from those who fought in the US military's bloodiest battle on the European front in World War II.

Incredible footage, colourised for the first time, chronicles the final days of the Third Reich and the brutal battle for Berlin, though German defeat looked certain. Nazi soldiers persisted fighting despite the inevitability of their downfall.

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

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.

Eyewitness accounts of how trains were able to bring back troops from Dunkirk, and evacuate hundreds of children to safety during World War II.

A look at how the C-47 evolved from passenger plane to a transport aircraft and flying hospital in WWII and years later as a gunship in Vietnam.

America's first victory in the Pacific during World War II is retold from the vantage point of the three U.S. attack planes as they overcame the enemy ambush to face off against the Mitsubishi A6M Zero, a long-range fighter, in the air.

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.

By the summer of 1944, the United States is gaining the upper hand in the Pacific War with better training, troop numbers and supply lines; it aims for the heart of Japan's inner defense ring, engaging in a naval battle for Saipan in the Marianas.

Allied forces move to take the valuable islands of Tinian and Guam that threaten American air operations; meanwhile, Gen. Curtis LeMay is tasked with planning and executing a fire bombing campaign against Japan.

Allies slug it out on the island of Peleliu in a campaign to pave the way for Gen. MacArthur's return to the Philippines; footage shows troops enduring the muddy muck in the Philippines; Japan unveils a devastating new tactic, the kamikaze.

By the spring of 1945, the United States begins to take back the Philippines; on Borneo, the Australians invade Labuan; when the United States invades Okinawa, Japan makes a strong stand and launches the biggest kamikaze attacks of the war.

President Harry Truman decides to drop the atomic bomb on Hiroshima and Nagasaki; Emperor Hirohito surrenders, and Gen. Douglas MacArthur arrives to oversee the country's occupation; mortal enemies must now become partners in Japan's rebirth.

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.

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 war was over in Europe but in the Pacific one of the bloodiest battles was being fought; a look at the bloody and history-altering final 100 days of the Pacific War, shown through rare war footage and first-person accounts.

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.

How the legendary "Dambuster" bomber squadron of WWII fooled Nazi Germany into believing the Allied invasion was going to be at Calais, rather than Normandy, and went to on to destroy Hitler's super weapons.

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.

In 1944 the Allied invasion of Nazi-occupied Europe brings the hope of freedom and the devastation of war to the people of France.

New colourized footage and testimony reveal the true cost paid by the Allies and civilians to free Belgium and the Netherlands from Nazi occupation.

In late 1944 Hitler forces the Americans into their biggest and bloodiest battle of the war when he launches a surprise attack into liberated Belgium.

New colourized footage and testimony reveals the cost of victory, the aftermath of war and the liberation of the camps and the destruction of Germany.

Newly restored film footage uncovers the story of the iconic B-17 and its contribution to the victory during World War II, including first-hand tales from veterans and the restoration of the plane for the National Museum of the U.S. Air Force.

Personal accounts of the atomic attack on Hiroshima in 1945; the comprehensive story of the bombing of Hiroshima, from those who built it, dropped it, and survived it.

Footage of the Pacific campaign during World War II and Japan's downfall.

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.

World War II and its aftermath plays a huge role in the civil rights movement in the U.S.

First-person accounts and rare color footage detail the final 100 days of World War II in Europe.

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.

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.

By the summer of 1944, the United States is gaining the upper hand in the Pacific War with better training, troop numbers and supply lines; it aims for the heart of Japan's inner defense ring, engaging in a naval battle for Saipan in the Marianas.

Allied forces move to take the valuable islands of Tinian and Guam that threaten American air operations; meanwhile, Gen. Curtis LeMay is tasked with planning and executing a fire bombing campaign against Japan.

Allies slug it out on the island of Peleliu in a campaign to pave the way for Gen. MacArthur's return to the Philippines; footage shows troops enduring the muddy muck in the Philippines; Japan unveils a devastating new tactic, the kamikaze.

By the spring of 1945, the United States begins to take back the Philippines; on Borneo, the Australians invade Labuan; when the United States invades Okinawa, Japan makes a strong stand and launches the biggest kamikaze attacks of the war.

President Harry Truman decides to drop the atomic bomb on Hiroshima and Nagasaki; Emperor Hirohito surrenders, and Gen. Douglas MacArthur arrives to oversee the country's occupation; mortal enemies must now become partners in Japan's rebirth.

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.

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.

Rare archive footage charts the German Army in 1940 as it unleashes a new Blitzkrieg tactic.

Cameras roll as Nazi Germany launches an all-out assault on the Soviet Union.

Footage of life and death on the battlefield of El Alamein and behind the lines in the African desert.

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

The story of the greatest tank battle the world has ever seen.

Eye-witness accounts from those who fought in the US military's bloodiest battle on the European front in World War II.

America's first victory in the Pacific during World War II is retold from the vantage point of the three U.S. attack planes as they overcame the enemy ambush to face off against the Mitsubishi A6M Zero, a long-range fighter, in the air.

In 1944 the Allied invasion of Nazi-occupied Europe brings the hope of freedom and the devastation of war to the people of France.

New colourized footage and testimony reveal the true cost paid by the Allies and civilians to free Belgium and the Netherlands from Nazi occupation.

In late 1944 Hitler forces the Americans into their biggest and bloodiest battle of the war when he launches a surprise attack into liberated Belgium.

New colourized footage and testimony reveals the cost of victory, the aftermath of war and the liberation of the camps and the destruction of Germany.

Personal accounts of the atomic attack on Hiroshima in 1945; the comprehensive story of the bombing of Hiroshima, from those who built it, dropped it, and survived it.

President Harry Truman decides to drop the atomic bomb on Hiroshima and Nagasaki; Emperor Hirohito surrenders, and Gen. Douglas MacArthur arrives to oversee the country's occupation; mortal enemies must now become partners in Japan's rebirth.

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.

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

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

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

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

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.

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.

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.