Smithsonian Channel During World War II, the B-17 became a formidable fortress of the skies; uncover the technological and strategic innovations that made the B-17 a key to D-Day success, and later, Allied victory. 2026-09-01 Valentine's Day delays loom when a squadron of F-22 makes an unexpected landing; high winds threaten a helicopter's 600-lb sling load; Aviators come to the rescue of a village without water. 2026-09-01 Southern Mexico stretches from Yucatán's crystal-clear cenotes to the fertile land of the Oaxaca Valley; Maya and Zapotec traditions live through gastronomy and art; history is ever present in ancient pyramids and architecture. 2026-09-01 During World War II, the B-17 became a formidable fortress of the skies; uncover the technological and strategic innovations that made the B-17 a key to D-Day success, and later, Allied victory. 2026-09-01 Valentine's Day delays loom when a squadron of F-22 makes an unexpected landing; high winds threaten a helicopter's 600-lb sling load; Aviators come to the rescue of a village without water. 2026-09-01 Southern Mexico stretches from Yucatán's crystal-clear cenotes to the fertile land of the Oaxaca Valley; Maya and Zapotec traditions live through gastronomy and art; history is ever present in ancient pyramids and architecture. 2026-09-01 During World War II, the B-17 became a formidable fortress of the skies; uncover the technological and strategic innovations that made the B-17 a key to D-Day success, and later, Allied victory. 2026-09-01 Valentine's Day delays loom when a squadron of F-22 makes an unexpected landing; high winds threaten a helicopter's 600-lb sling load; Aviators come to the rescue of a village without water. 2026-09-01 Traveling to New York, Denver and Nice, France to visit Little Island, the Denver Museum of Art and La Tête Carrée; the secrets to how they were built are revealed. 2026-09-01 Mike Davidson heads to Brazil, where an offshore crew is racing the clock to set up giant power ships to deliver electricity to a country in desperate need. 2026-09-01 A journey on Scotland's River Spey, traveling from its source in the Highlands, winding by boat through the mountains to where the river meets the North Sea. 2026-09-01 Decoding the secrets of long-lost human settlements; scrutinizing a mysterious Norwegian mound, a prehistoric stone circle on the banks of the Tagus River, a lost city in the cradle of civilization and bizarre rock shapes. 2026-09-01 Salvor and treasure seeker Phil Risko sets out to retrieve valuable 80-year-old hardwood logs from the bottom of the sea; a multi-million dollar cruise vessel undergoes emergency repairs in Panama. 2026-09-01 A journey on Scotland's River Spey, traveling from its source in the Highlands, winding by boat through the mountains to where the river meets the North Sea. 2026-09-01 Decoding the secrets of long-lost human settlements; scrutinizing a mysterious Norwegian mound, a prehistoric stone circle on the banks of the Tagus River, a lost city in the cradle of civilization and bizarre rock shapes. 2026-09-01 Salvor and treasure seeker Phil Risko sets out to retrieve valuable 80-year-old hardwood logs from the bottom of the sea; a multi-million dollar cruise vessel undergoes emergency repairs in Panama. 2026-09-01 Exploring behind-the-scenes of design and construction of revolutionary buildings in Spain, New York and a university campus in Florida. 2026-09-01 Host Mike Davidson goes to the remote Atacama Desert in Chile; at observatory ALMA he works alongside the expert team as they repair some of the world's biggest antennas. 2026-09-01 Unravel the myth of the elusive Walbrzych Gold Train deep in the Polish wilderness; evaluate shifting claims and bizarre artifacts presented by an eccentric local guide, then confront the absurdity and obsession that fuel this famed treasure hunt. 2026-09-01 Valentine's Day delays loom when a squadron of F-22 makes an unexpected landing; high winds threaten a helicopter's 600-lb sling load; Aviators come to the rescue of a village without water. 2026-09-01 Southern Mexico stretches from Yucatán's crystal-clear cenotes to the fertile land of the Oaxaca Valley; Maya and Zapotec traditions live through gastronomy and art; history is ever present in ancient pyramids and architecture. 2026-09-01 During World War II, the B-17 became a formidable fortress of the skies; uncover the technological and strategic innovations that made the B-17 a key to D-Day success, and later, Allied victory. 2026-09-01 Valentine's Day delays loom when a squadron of F-22 makes an unexpected landing; high winds threaten a helicopter's 600-lb sling load; Aviators come to the rescue of a village without water. 2026-09-01 Southern Mexico stretches from Yucatán's crystal-clear cenotes to the fertile land of the Oaxaca Valley; Maya and Zapotec traditions live through gastronomy and art; history is ever present in ancient pyramids and architecture. 2026-09-01 A member of the Osage Nation investigates the series of murders and unexplained deaths that struck the oil-rich tribe in the 1920s. 2026-09-02 In less than 200 years, the Aztecs rose from nomadic origins to build the powerful empire of Tenochtitlan. Combining archaeology and stunning 3D reconstructions, this series reveals the rise and fall of a remarkable civilization. 2026-09-02 Dictators may appear omnipotent, but their position depends largely on a network of individuals who benefit from their rule, and their support does not come cheap. 2026-09-02 A member of the Osage Nation investigates the series of murders and unexplained deaths that struck the oil-rich tribe in the 1920s. 2026-09-02 In less than 200 years, the Aztecs rose from nomadic origins to build the powerful empire of Tenochtitlan. Combining archaeology and stunning 3D reconstructions, this series reveals the rise and fall of a remarkable civilization. 2026-09-02 Dictators may appear omnipotent, but their position depends largely on a network of individuals who benefit from their rule, and their support does not come cheap. 2026-09-02 A member of the Osage Nation investigates the series of murders and unexplained deaths that struck the oil-rich tribe in the 1920s. 2026-09-02 In less than 200 years, the Aztecs rose from nomadic origins to build the powerful empire of Tenochtitlan. Combining archaeology and stunning 3D reconstructions, this series reveals the rise and fall of a remarkable civilization. 2026-09-02 Exploring behind-the-scenes of design and construction of revolutionary buildings in Spain, New York and a university campus in Florida. 2026-09-02 Host Mike Davidson goes to the remote Atacama Desert in Chile; at observatory ALMA he works alongside the expert team as they repair some of the world's biggest antennas. 2026-09-02 A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark. 2026-09-02 Zoom in on some otherworldly sights; spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn and take a spin around a doughnut-shaped lake in Saskatchewan. 2026-09-02 Responding to an emergency call, Northstar marine sets out to salvage a sunken tug in the Delaware Bay; following the devastation caused by Hurricane Sally, Capt. Chris Ward and his crew work to salvage sunken sailboats and wrecked powerboats. 2026-09-02 A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark. 2026-09-02 Zoom in on some otherworldly sights; spot a giant glacier on the Red Planet, let the milky seas off the coast of Java bathe your vision, ponder a huge hexagon floating above Saturn and take a spin around a doughnut-shaped lake in Saskatchewan. 2026-09-02 Responding to an emergency call, Northstar marine sets out to salvage a sunken tug in the Delaware Bay; following the devastation caused by Hurricane Sally, Capt. Chris Ward and his crew work to salvage sunken sailboats and wrecked powerboats. 2026-09-02 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 Dalí in Florida. 2026-09-02 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. 2026-09-02 Unveils the Cold War as a conflict of spies, not soldiers, involving constant risk, subterfuge, and tools like miniature cameras, coded messages, stealth and poisoned umbrellas. 2026-09-02 Dictators may appear omnipotent, but their position depends largely on a network of individuals who benefit from their rule, and their support does not come cheap. 2026-09-02 A member of the Osage Nation investigates the series of murders and unexplained deaths that struck the oil-rich tribe in the 1920s. 2026-09-02 A member of the Osage Nation investigates the series of murders and unexplained deaths that struck the oil-rich tribe in the 1920s. 2026-09-02 In less than 200 years, the Aztecs rose from nomadic origins to build the powerful empire of Tenochtitlan. Combining archaeology and stunning 3D reconstructions, this series reveals the rise and fall of a remarkable civilization. 2026-09-02 Dictators may appear omnipotent, but their position depends largely on a network of individuals who benefit from their rule, and their support does not come cheap. 2026-09-02 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. 2026-09-03