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

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

When an Illinois turboprop crashes after losing battery power, investigators uncover a series of errors made by the pilots.

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.

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

A trio of crashes reveals that when the nuts and bolts of maintenance go unchecked, it can spell catastrophe.

When a commercial airliner goes down in eastern Ukraine in 2014, examiners must conduct an investigation in the middle of a war zone.

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.

An MD-82 crash lands in Arkansas during a severe thunderstorm; but investigators believe weather is not the main reason for the accident.

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.

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

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

Fifteen minutes after taking off from Puerto Vallarta for San Francisco, the pilots of an MD-83 realize something is very wrong with their plane.

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.

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

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

A runway collision at a small airport turns tragic when passengers cannot escape the burning aircraft.

Three flights ending in tragedy, prove that minor missteps during takeoff can have disastrous consequences.

Investigators struggle to determine why a 757 strayed off course during its final approach to a Colombia airport and crashed into a mountain.

Experts investigate an unfortunate string of events that caused the freshly serviced Air Astana Flight 1388 to become completely uncontrollable.

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

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

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

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.

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

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

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.

The highly-specialized North Rail Express container train travels from Narvik to Oslo, delivering cargo of fish as quickly as possible.

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.

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.

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

The Twin Otter is found around the world in jungles, deserts, mountains, the Arctic and anywhere rugged reliability and short-take-off-and-landing are needed; powered by twin turboprop engines, the Twin Otter manoeuvres like a bird.

A trip through Lima details the voyage's breathtaking scenery and engineering challenges.

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

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.

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.

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.

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

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.

A museum building bends 1,100-glass tubes to form a facade and tunnels below the water table; a vast 11-storey glass atrium HQ is built on the former Berlin Wall site to represent unity.

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 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.

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

Mike works with repair and construction teams at Dreamworld, Australia's largest theme park, after a cyclone caused $4M in damage; they fix scream machines and finish a $50M expansion featuring the world's first triple switch rollercoaster.

Host Mike Davidson assists on a multi-million-dollar tunnel-boring project underground in Toronto.

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.

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.

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.

An Air Inter flight crashes into the Vosges Mountains while attempting to land killing most of the 96 passengers.

On 20 August 2011, First Air Flight 6560, a charter flight, crashes near its destination of Resolute Bay Airport, Resolute, Nunavut, Canada, in poor weather conditions; out of the fifteen passengers and crew members, only three survived.

A look at accidents and incidents where problems with the interface between crew members and onboard avionics are a factor, and the causes of those problems.

Midair tragedies are particularly horrifying when they occur over a community, and rain terror on the people below.

When a cargo plane crashes at a U.S. airfield in Afghanistan, investigators reach a conclusion that ultimately proves incorrect.

When a commuter turboprop plane crashes at an Irish airport, investigators uncover a startling gap in aviation safety.

Alaska Airlines 261 nosedives into the Pacific leaving investigators stumped . A rare storm and a deadly design flaw intersect cause American Eagle 4184 to fall from the sky. And, investigators suspect a fatal flaw in the Boeing 737.

When basketball legend Kobe Bryant is killed in a helicopter crash in Calabasas, investigators examine the data, the wreckage, and the pilot's actions for clues.

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

Bad design, human error and the enemy sent great ships to tragic ends, like Britain's K13 submarine and HMS Hood, Sweden's 17th century Vasa, and Kublai Khan's fleet, sunk by the original kamikaze.

The evolution from wooden ships to metal ones in the second half of the 19th century is examined.

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

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

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

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

The inside story of the F-4 Phantom, the U.S. military's go-to fighter for more than four decades.

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.

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 story of the world's first nuclear bomber, the B-29, and its explosive impact on aerial warfare.

An inside look at Japan's A6M Zero, the most feared fighter at the start of World War II.

Under the command of Lt. Cdr. Creed Burlingame, the USS Silversides sets its course to patrol in the crossfire of the Guadalcanal campaign to help swing the fighting in America's favor.

The first submarine outfitted with rocket launchers attacks the Japanese coastline.

In April 1944, U-515 heads to the Gold Coast, where it is tested by one of the new Hunter Killer Groups led by Captain Daniel Gallery.

A small fleet of British submarines is perhaps the Allies last chance to keep Germany and the Axis Powers from capturing Egypt.

The February 1945 clash of HMS Venturer and U-864 marks the first underwater submarine battle in history.

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

The inside story of the massive military transport aircraft, the C-17.

The history and evolution of America's most legendary spy plane.

The history of the F-16 Fighting Falcon and how it became the U.S. Air Force's most versatile plane.

A countdown of the ten greatest military planes of World War II, including the Japanese Zero, the Nazi ME 109, and the B-29 Superfortress.

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

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.

On 9 August 2007, Air Moorea Flight 1121 crashed 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.

Bad weather and a series of errors lead to the 2001 crash of a plane on its approach to Zurich Airport.

When an aircraft loses total engine power, a pilot's training can make all the difference in the world, but it's still up to investigators to determine what went wrong.

SAS Flight 686 takes off from Milan's Linate Airport and moments later collides with a Cessna on the runway.

Pilots of Southern Airways Flight 242 must try to land on a Georgia highway after the engines die and the windshield shatters.

Chalk's Ocean Airways flight 101 crashes just after take-off from Watson Island in Miami on December 19, 2005, killing 20 people.

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.

When critical instruments in the cockpit can't be trusted, the consequences can be fatal.

A propeller breaks off and rips a hole in the fuselage of an aircraft en route from Alaska to Washington 19,000 feet over the Pacific Ocean.

On 12 November 2001, just two months after the September 11 attacks, American Airlines Flight 587 spirals out of control shortly after taking off from John F. Kennedy Airport and crashes into Queens.

On 31 October 2000, Singapore Airlines Flight 006 collides with construction equipment at Chiang Kai Shek airport in Taipei while attempting to take off on the wrong runway in a typhoon, killing 83 of the 179 people on board.

From the wreckage of three airplane crashes, survivors emerge to tell harrowing tales and provide critical data about what to do in an emergency.

A shocking error in the cockpit causes the crash of a 737 on takeoff and leaves an entire nation reeling.

On its final approach to Charlotte, N.C., US Air Flight 1016 is engulfed in intense rain obstructing the view from the cockpit; the pilots abort the landing, but the aircraft crashes to earth, hurtling along a road and breaking apart.

The crews of three doomed aircraft make catastrophic blunders.

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

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.

A high-flying tour of Connecticut; exploring the safe harbors, buildings and rich maritime history; the home state of Mark Twain, PT Barnum and Katharine Hepburn; the exclusive Gold Coast, the Thimble Islands and the historic cities.

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

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

An aerial view of Arkansas, where settlers' westward journeys began and the scene of Bonnie and Clyde's most serious crime; a view of the land of raging rivers, vast wilderness and legends of the Wild West.

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.

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

Two magnificent journeys with New Zealand's KiwiRail: the TranzAlpine, a five-hour journey across 223 kilometers, and Northern Explorer, an 11-hour trip through five unique regions of the North Island.

Passengers on Ecuador's Tren Crucero experience a dangerous rail journey, which includes tropical jungles, volcanoes and the Devil's Nose.

The Rocky Mountaineer travels across western Canada and over the Rocky Mountains.

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

Travelling up the coast of New Zealand in style aboard the Coastal Pacific, a train that embodies the nation's spirit of grit and determination; for two years, this ride was shut down due to an earthquake in 2016.

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

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

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

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

TAM flight 402 slammed into a residential neighborhood and burst into flames, just seconds after lifting off from Congonhas airport in São Paulo, Brazil, killing all 95 people on board and three people on the ground.

On December 21, 1992, Martinair Flight 495 crashes off the right side of the runway while attempting to land at Faro Airport in Faro, Portugal, in severe weather conditions, killing 56 of the 340 people on board.

After losing two engines near enemy territory, U.S. Air Force pilots abort their refueling mission and try to land their damaged plane.

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

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

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.

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.

An aerial view of New Mexico; exploring its landscapes and landmarks, while revealing its many legends and secrets.

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

A small state has a whole lot of history.

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

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

Saudi Airways and Kazakhstan Airlines jets hit each other at 14,000 feet sending both planes spiraling to the ground.

The 2013 crash of Asiana Airlines Flight 214 in San Francisco shocks the nation.

Following three horrifying crashes, investigators uncover fatal flaws in the very operations designed to prevent aircraft from flying into mountains.

A plane carrying a Brazilian soccer team crashes just ten miles from the airport in 2016.

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

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

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.

A plane crash lands in Guam after losing sight of the airport in a storm.

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

In the skies above the Mojave Desert, the VSS Enterprise accelerates toward the outer reaches of Earth's atmosphere, guided by test pilots; the aircraft breaks apart and falls from the sky, killing the flight's co-pilot.

A simple error years prior causes the deadliest single-plane crash in history.

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

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

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

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

On 21 February 2008, Santa Bárbara Airlines Flight 518 strays off course and flies into the side of a mountain shortly after takeoff.

Garuda Indonesia Flight 152 crashes into mountainous woodlands while trying to land at Polonia International Airport in Medan, North Sumatra, in low visibility.

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

Three catastrophic runway collisions raise the same pressing question; a look at how two planes end up on the same runway at the same time.

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 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.

Pilots leaving Cameroon steer their plane clear of a storm, but the aircraft begins rolling to the right, and they are unable to regain control.

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.

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.

Arrow Air Flight 1285 with 248 American soldiers on board crashes seconds after refueling in Newfoundland.

A passenger plane veers off the runway in Denver sparking an investigation into the airport's proximity to the Rocky Mountains.

Indonesia AirAsia Flight 8501 stalls and crashes into the Java Sea while flying through a thunderstorm.

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

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

Three flights headed for disaster are saved at the last moment by heroes in the cockpit.

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.

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

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

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

The world's top cruise ship, the Crystal Serenity visits Sydney harbor, the port of Melbourne, Bali, a large-scale furniture load in Semarang, Indonesia and the port of Singapore.

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

We hop aboard a seven-day cruise to the Canary Islands and Madeira aboard the first large liner to run purely on cleaner-burning liquefied natural gas.

The LC-130 Hercules Skibirds carry supplies, fuel and crew to remote science camps in Greenland and Antarctica.

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

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.

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

Norway's Bergen Line stretches from Oslo to Bergen, passing through 182 tunnels; Nordland Line transports passengers and freight; Flam Railway boasts one of the steepest railway climbs on Earth.

Exploring Vietnam by rail aboard the Reunification Express; a three-day ride from Hanoi to Ho Chi Minh City rich in views of rivers, rice paddies and dragon fruit orchards; steeped in the nation's war-torn past.

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

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

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

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

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.

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.

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

Mike helps fix the machines that keep one of the United States' biggest ports moving; he assists a team in moving a 3-million pound crane.

Host Mike Davidson helps make high-stakes repairs for one of the world's largest open-ocean fish farm operations in Panama.

An in-depth look at how things are repaired.

Mike in northeastern Australia, goes on and under the water, into labs and onto construction projects working with specialized teams; they tackle the challenge of saving dying coral on the Great Barrier Reef.

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

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

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