Smithsonian Channel Learning why a clash over Nazi ideology wrecked a bright U-boat commander's career. 2026-04-18 During the Vietnam War, the United States needed a helicopter that could defend itself; the AH-1 Cobra, the world's first pure attack helicopter. 2026-04-18 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. 2026-04-18 Learning why a clash over Nazi ideology wrecked a bright U-boat commander's career. 2026-04-18 During the Vietnam War, the United States needed a helicopter that could defend itself; the AH-1 Cobra, the world's first pure attack helicopter. 2026-04-18 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. 2026-04-18 Learning why a clash over Nazi ideology wrecked a bright U-boat commander's career. 2026-04-18 During the Vietnam War, the United States needed a helicopter that could defend itself; the AH-1 Cobra, the world's first pure attack helicopter. 2026-04-18 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. 2026-04-18 Learning why a clash over Nazi ideology wrecked a bright U-boat commander's career. 2026-04-18 On D-Day and later in June 1944, the USS Texas helps silence batteries of German artillery and gun positions defending the landing beaches and the port city of Cherbourg. 2026-04-18 Allied convoys resupplying the Soviet Union navigate the Arctic, infested with U-boats and enemy aircraft. 2026-04-18 In May 1941, the British Royal Navy relentlessly pursues the formidable battleship Bismarck with the mission to sink it at any cost. 2026-04-18 The rise of submarines marks World War II at sea, leading to fierce battles above and below the waves. 2026-04-18 On July 3, 1940, the British fleet attacks the French navy at Mers el-Kébir, Algeria; in ten minutes, Bretagne sank, Mogador was destroyed, and Provence and Dunkerque were grounded. 2026-04-18 With her husband wounded, Laura Secord sets out to warn the British of a possible American attack. 2026-04-18 Paid programming. 2026-04-18 Follow the meteoric rise of the Macedonian conqueror who seized Egypt and built an empire that stretched from Europe to Asia; find out how founding the city of Alexandria and becoming a pharaoh transformed Alexander's life before his death at age 32. 2026-04-18 Part 2/6. Uncover the secrets of the Old Kingdom ruler who revolutionized architecture alongside his vizier, Imhotep; piece together the mysterious life of the very first king to build a step pyramid in the heart of a grandiose and complex burial site. 2026-04-18 Ramesses II reigns for 66 years and builds monuments and temples. 2026-04-18 Delve into the history of the Fourth Dynasty monarch responsible for one of the great pyramids; examine the tyrannical reputation of this ancient leader and decipher the complex strategies he used to guide such a massive building project. 2026-04-18 Part 5/6. Chart the turbulent reign of a brilliant strategist who allied herself with powerful Roman leaders in the hopes of saving her kingdom; examine the battle against Octavian that ended three millennia of Egyptian history and sealed Cleopatra's fate. 2026-04-18 Part 6/6. Unearth the dramatic final days of the Twentieth Dynasty's great warrior king, Ramses III; view a rare judicial papyrus that recounts the story of an assassination plot hatched in the royal harem; see what the monarch's mummy reveals today. 2026-04-18 American paratroopers are dropped behind German lines on D-Day in order to secure territory behind the beaches. 2026-04-18 The German war industry urgently needs more iron; Hitler has his eye on the Norwegian coast and especially on the harbor of Narvik, through which iron ore is shipped from Sweden. 2026-04-18 Relive the Flight of the Crow, a trek across Nazi-occupied Europe; find out how two Austrian mountaineers hiked their way out of the Himalayas, then learn why 378 Japanese POWs risked it all in Australia's bloody Cowra Breakout. 2026-04-19 After months of fighting in Europe, U.S. troops finally enter Germany; with their sights set on the city of Aachen, the Americans must break through two rows of bunker fortifications to capture the old capital. 2026-04-19 The story of "America's first serial killer," who stalked Chicago in the 1890's, and how the police departments of two major cities finally brought him to justice. 2026-04-19 Relive the Flight of the Crow, a trek across Nazi-occupied Europe; find out how two Austrian mountaineers hiked their way out of the Himalayas, then learn why 378 Japanese POWs risked it all in Australia's bloody Cowra Breakout. 2026-04-19 After months of fighting in Europe, U.S. troops finally enter Germany; with their sights set on the city of Aachen, the Americans must break through two rows of bunker fortifications to capture the old capital. 2026-04-19 The story of "America's first serial killer," who stalked Chicago in the 1890's, and how the police departments of two major cities finally brought him to justice. 2026-04-19 After months of fighting in Europe, U.S. troops finally enter Germany; with their sights set on the city of Aachen, the Americans must break through two rows of bunker fortifications to capture the old capital. 2026-04-19 Exploring how Pharaoh Snefru shifted the pyramid age into high gear by ordering three massive monuments. 2026-04-19 The story of "America's first serial killer," who stalked Chicago in the 1890's, and how the police departments of two major cities finally brought him to justice. 2026-04-19 After months of fighting in Europe, U.S. troops finally enter Germany; with their sights set on the city of Aachen, the Americans must break through two rows of bunker fortifications to capture the old capital. 2026-04-19 In the wilds of Southern Africa, aviation takes over where roads don't go; going into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals. 2026-04-19 A P51 Mustang takes a combat veteran back in time; a bush aviator flies a mission to save rhinos from extinction; mechanics race to fit new engines on an air ambulance heading into a war zone, and a pilot takes control of a jet f. 2026-04-19 In the wilds of Southern Africa, aviation takes over where roads don't go. Extreme Airport Africa brings you into the world of high-octane, high-risk bush flying where pilots brave rough runways, wildfires and wild animals. 2026-04-19 A bush airport fights fire with fire; flying Namibian cowboys race against the heat to save antelope from drought; a father and son duo of mechanics tackle a test that can make or break their careers, and an endangered Pangolin. 2026-04-19 An SOS from an island of penguins sends a helicopter team on an emergency mission; a young pilot attempts a record-breaking flight; aircraft maintenance teams tackle a dangerous fluid leak; vets in Zambia stop a war between humans and elephants. 2026-04-19 Tecumseh forges an alliance with the British in pursuit of his dream. 2026-04-19 Paid programming. 2026-04-19 In Mexico's North, ancient runners defy impossible distances and living fossils reveal Earth's secrets; from Monterrey's industrial city to Guanajuato's revolutionary past, discover how mighty mountains forge unbreakable spirit. 2026-04-19 Deploy futuristic lidar technology to map the Amber Road, an ancient trade network linking the Baltic Sea to the Mediterranean. Follow researchers as they retrace the route and reshape our understanding of historical trade and cultural exchange. 2026-04-19 Open burial sites filled with secrets. Find powerful artifacts in a French rulers tomb, see what a tomb adorned with conch shells says about sacred ceremonies, and expose complex beliefs about animals and the afterlife in an Egyptian zoo graveyard. 2026-04-19 Question whether Napoleon Bonaparte was poisoned in exile, then find out whose bones were buried underneath Benjamin Franklin's London home; analyze evidence that suggests that Grand Duchess Anastasia may have escaped the 1918 Romanov massacre. 2026-04-19 Investigate one of Egypt's oldest monuments to eternity: the Buried Pyramid of Sekhemkhet; explore a well-preserved underground tomb and view a mysterious sarcophagus during the first-ever on-camera exploration of this 4,500-year-old sacred place. 2026-04-19 Part 6/6. Unearth the dramatic final days of the Twentieth Dynasty's great warrior king, Ramses III; view a rare judicial papyrus that recounts the story of an assassination plot hatched in the royal harem; see what the monarch's mummy reveals today. 2026-04-19 At the heart of Saqqara, the largest necropolis in Egypt is the Step Pyramid of Djoser, built around 2600 BC. 2026-04-19 Part 2/2. Discover how an invasion set the stage for collapse in the era's great cities. 2026-04-19 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. 2026-04-20