Smithsonian HD Network The LC-130 Hercules Skibirds carry supplies, fuel and crew to remote science camps in Greenland and Antarctica. 2026-04-01 Passengers are treated like royalty on Indian Railways' Maharaja's Express. 2026-04-01 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. 2026-04-01 Norwegian Joy sails amid icebergs in Alaska's Inside Passage, treating guests to glaciers, humpback whales, and the largest zip line in the world. 2026-04-01 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. 2026-04-01 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. 2026-04-01 The Paul Gauguin offers five-star luxury while sailing near the coral reefs, mountainous islands and tropical playgrounds of French Polynesia. 2026-04-01 New luxury liner Le Soleal navigates the uncharted waters of Indonesia to give her passengers one-of-a-kind encounters at exotic destinations. 2026-04-01 Cruise among the icebergs of Greenland and the Canadian High Arctic aboard the expedition cruiser Ocean Endeavour. 2026-04-01 The Sky Princess carries passengers from Fort Lauderdale, Florida, to three Central American stops. 2026-04-01 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. 2026-04-01 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. 2026-04-01 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. 2026-04-01 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. 2026-04-01 A London railway station; giant Singapore biodomes; eye-catching hospital in Las Vegas. 2026-04-01 Visiting London's Gherkin, Seattle's Evergreen Point Floating Bridge and Lyon's Musée des Confluences to uncover how and why they were built. 2026-04-01 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. 2026-04-01 Host Mike Davidson helps make high-stakes repairs for one of the world's largest open-ocean fish farm operations in Panama. 2026-04-01 An in-depth look at how things are repaired. 2026-04-01 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. 2026-04-01 Exploring behind-the-scenes of design and construction of revolutionary buildings in Spain, New York and a university campus in Florida. 2026-04-01 A Manhattan high-rise; an Athens cultural center; a Singapore university. 2026-04-01 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. 2026-04-01 Visiting Australia's One Central Park, the Oslo Opera House and the California Academy of Sciences in San Francisco to reveal their architectural secrets. 2026-04-01 An unstable high rise, an otherworldly museum, and a towering cliffside elevator. 2026-04-02 In Sao Paolo, the Himalayas, and on the Norwegian coast, the toughest landings on earth pushed three flight crews. 2026-04-02 Pilots of TACA Flight 110 make a remarkable landing on a narrow levee, but investigators must find out why the engines in a brand new plane failed. 2026-04-02 The business jet carrying PGA golfer Payne Stewart and former Alabama football quarterback crashes; how loss of pressurization and structural failure led to this crash and the deadliest aviation accidents in both Greek and Taiwanese history. 2026-04-02 Korean Air Cargo Flight 8509 crashes shortly after take off from London Stansted Airport on December 22, 1999. 2026-04-02 In 1978, PSA Flight 182 collides with a Cessna and crashes into a San Diego residential area, killing everyone on both planes and seven people on the ground. 2026-04-02 Air Midwest Flight 5481 plummets to the ground just after takeoff, killing all on board and injuring one on the ground. 2026-04-02 West Caribbean Airways Flight 708 crashes down killing 160 people in 2005; it leads to the bankruptcy of the troubled airline. 2026-04-02 After a passenger jet miraculously survives a collision with trees while landing, investigators attempt to uncover why the plane was flying so low. 2026-04-02 Faced with a midair crisis, pilots must make a life or death decision, but the wrong approach can trigger a far more serious problem. 2026-04-02 A look at key naval battles that have taken place in the Persian Gulf over the last 50 years and the warships involved, from both sides of the conflicts. 2026-04-02 A look at the smallest ships of war and the major roles they've played over the centuries, including the 1776 gunboat built to stop a British invasion and the HA-19 sub. 2026-04-02 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. 2026-04-02 A look at how navy weapons have evolved over the centuries, from cannons to gun turrets to nuclear missiles and beyond. 2026-04-02 Exploring maritime heroes who left their mark on history through their bravery and skill, including Larry Chambers, Ernest Evans, and Robert Smalls. 2026-04-02 A look at riverine warfare from the Civil War to Vietnam and small but powerful combat ships. 2026-04-02 Recounting some of maritime warfare's explosions, from world wars and Vietnam to the nuclear tests at Bikini Atoll. 2026-04-02 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. 2026-04-02 A look at the most famous wooden warships over the course of 500 years. 2026-04-02 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. 2026-04-02 The naval fighter designed to counter the Japanese Zero turns the tide of the war in the Pacific. 2026-04-02 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. 2026-04-02 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. 2026-04-02 A look at the amphibious aircraft and the many roles it served during WWII, from patrol bomber to search-and-rescue aircraft. 2026-04-02 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. 2026-04-03