Smithsonian HD Network NASA's 3D-printed Mars habitat rehearses human life on the red planet. Seoul's historic city hall gains a 13-story glass wave. And in Dallas, 68,000 square feet of concrete galleries balance on legs that want to splay open under. 2026-09-29 Building an eco-friendly visitor center 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. 2026-09-29 NASA's 3D-printed Mars habitat rehearses human life on the red planet. Seoul's historic city hall gains a 13-story glass wave. And in Dallas, 68,000 square feet of concrete galleries balance on legs that want to splay open under. 2026-09-29 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. 2026-09-29 Investigating the 2009 crash of Colgan Air Flight 3407; the plane stalls at low altitude and dives into a residential area near Buffalo, N.Y. 2026-09-29 When Ethiopian Airlines Flight 302 crashes shortly after takeoff, the catastrophe leads to the grounding of the entire Boeing 737 MAX 8 fleet. 2026-09-29 Three flight crews face impossible odds: a Boeing 707 loses engines over the Alps as fire spreads, Air Astana 1388 goes out of control over Portugal, and a bomb on PA 434 severs control cables and blasts a hole in the fuselage. 2026-09-29 Airplane crashes involving high-profile passengers put added pressure on investigators. 2026-09-29 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. 2026-09-29 Three aviation disasters are all linked to breakdowns in vital security measures. 2026-09-29 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. 2026-09-29 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. 2026-09-29 The only cruise ship designed specifically to navigate the treasures and dangers at the southern tip of South America. 2026-09-29 Follow mega cruiser Regal Princess as she whisks guests to Germany, Russia, and Scandinavia in style. 2026-09-29 Azamara Journey travels the rivers of Southeast Asia, delivering passengers to exotic cities and hidden treasures that larger cruise ships cannot reach. 2026-09-29 Cruise among the icebergs of Greenland and the Canadian High Arctic aboard the expedition cruiser Ocean Endeavour. 2026-09-29 Travel aboard the colorful trains of the State Railway of Thailand and explore the famed Death Railway; the trains travel through ancient areas, historic tunnels, and raging rivers. 2026-09-29 The highly-specialized North Rail Express container train travels from Narvik to Oslo, delivering cargo of fish as quickly as possible. 2026-09-29 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. 2026-09-29 The maiden voyage of the Oasis of the Seas, the largest, most revolutionary cruise ship in the world. 2026-09-29 The Norwegian Epic is a billion-dollar showboat with more than 20 bars and restaurants and pool decks that transform into nightclubs. 2026-09-29 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. 2026-09-29 Facing Australia's fierce heat, Celebrity Solstice provides guests with views of waterfalls, jumping crocodiles, koalas and the Great Barrier Reef. 2026-09-29 Norwegian Joy sails amid icebergs in Alaska's Inside Passage, treating guests to glaciers, humpback whales, and the largest zip line in the world. 2026-09-29 Baffinland Mines needs to get equipment to a remote mine in Nunavut, to support shipping operations for the summer; they hire one of Volga-Dnepr's Ilyushin-76 aircraft. 2026-09-30 Hector Rail's trains haul timber to a pulp mill in Ostrand, Sweden on some of the most difficult railways in the country. 2026-09-30 Set a course for breathtaking sights on Koningsdam's 15-day voyage from Amsterdam to the northern tip of Norway. 2026-09-30 Take a river tour through some of Europe's greatest cities--Budapest, Vienna, and Amsterdam--on Viking Longship Gefjon. 2026-09-30 A trip through Lima details the voyage's breathtaking scenery and engineering challenges. 2026-09-30 VIA Rail's passenger train travels between Vancouver and Toronto on four-day, four-night journey that cater to everyone. 2026-09-30 The Paul Gauguin offers five-star luxury while sailing near the coral reefs, mountainous islands and tropical playgrounds of French Polynesia. 2026-09-30 New luxury liner Le Soleal navigates the uncharted waters of Indonesia to give her passengers one-of-a-kind encounters at exotic destinations. 2026-09-30 Experience romance on a mega cruiser that pampers its guests with the best of Italian design and American convenience. 2026-09-30 Japan's largest cruise ship brings East and West together on a cruise featuring cherry. 2026-09-30 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. 2026-09-30 Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore. 2026-09-30 A towering bridge in France; upside-down hotel in China; Italy's forest into the sky. 2026-09-30 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. 2026-09-30 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. 2026-09-30 Uncovering the design and engineering secrets behind the Grand Canyon Skywalk, the Audain Museum and more. 2026-09-30 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 Miccosukee Tribe to eliminate invasive species in these wetlands. 2026-09-30 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. 2026-09-30 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. 2026-09-30 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. 2026-09-30 Exploring behind-the-scenes of design and construction of revolutionary buildings in Spain, New York and a university campus in Florida. 2026-09-30 Exploring the design and engineering stories behind D.C.'s Museum of African American History, the Montreal Tower and the Equinor building in Oslo. 2026-09-30 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. 2026-09-30 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. 2026-09-30 NASA's 3D-printed Mars habitat rehearses human life on the red planet. Seoul's historic city hall gains a 13-story glass wave. And in Dallas, 68,000 square feet of concrete galleries balance on legs that want to splay open under. 2026-10-01