Science Channel HD The top-secret construction of a massive nuclear bunker remained concealed under a palatial West Virginia hotel for decades; experts reveal how this vast subterranean structure was one of the most closely guarded Cold War secrets in U.S. history. 2026-11-12 The longest known cave system in the world spans hundreds of miles beneath the hills of Kentucky, and containing prehistoric artifacts and ancient human remains, experts reveal a subterranean mystery that may have changed the course of U.S. history. 2026-11-12 Explorers investigate the snow-covered Ararat Mountains for remains of Noah's Ark; two separate expeditions claim discoveries in different areas, fueling debates over the truth of the story. 2026-11-12 The ten plagues of Egypt are supposedly sent by God to convince Pharaoh to free the Israelites; some scientists link these events to a volcanic eruption or climate change; could these be natural occurrences or are they divine warnings? 2026-11-12 In 1532, Spanish conquistadors encounter the advanced Inca Empire; despite their sophisticated infrastructure, the Inca falls within decades; the story of how a powerful empire is overtaken by a small group of conquistadors remains mysterious. 2026-11-12 Rameses II led Egypt through a sixty-year golden age as a powerful pharaoh; despite his recorded achievements, researchers investigate lingering mysteries regarding his wife Nefertari and his death. 2026-11-13 El Dorado, the legendary city of gold, captivated Europeans in the 16th and 17th centuries, sparking endless quests for hidden treasures; fueled by greed, these expeditions led to the loss of countless lives. 2026-11-13 The Roman Empire fell in the year 476, yet questions linger; did it truly fall or does it continue as the Byzantine Empire? What caused its demise? The debate remains controversial even among modern historians. 2026-11-13 Andrew investigates what really happened to Jeffrey Epstein; by reconstructing the crime scene using insider insights, expert analysis and a full replica of his jail cell, he tests whether the evidence points to suicide, murder or something darker. 2026-11-13 When a swarm of craft floods New Jersey's skies, panic erupts online; Andrew digs into every conspiracy theory, interviewing eyewitnesses and testing cutting-edge drone tech, until he uncovers the truth behind the incident. 2026-11-13 The Roman Empire fell in the year 476, yet questions linger; did it truly fall or does it continue as the Byzantine Empire? What caused its demise? The debate remains controversial even among modern historians. 2026-11-13 Andrew investigates what really happened to Jeffrey Epstein; by reconstructing the crime scene using insider insights, expert analysis and a full replica of his jail cell, he tests whether the evidence points to suicide, murder or something darker. 2026-11-13 When a swarm of craft floods New Jersey's skies, panic erupts online; Andrew digs into every conspiracy theory, interviewing eyewitnesses and testing cutting-edge drone tech, until he uncovers the truth behind the incident. 2026-11-13 El Dorado, the legendary city of gold, captivated Europeans in the 16th and 17th centuries, sparking endless quests for hidden treasures; fueled by greed, these expeditions led to the loss of countless lives. 2026-11-13 Explorers investigate the snow-covered Ararat Mountains for remains of Noah's Ark; two separate expeditions claim discoveries in different areas, fueling debates over the truth of the story. 2026-11-13 The ten plagues of Egypt are supposedly sent by God to convince Pharaoh to free the Israelites; some scientists link these events to a volcanic eruption or climate change; could these be natural occurrences or are they divine warnings? 2026-11-13 Neil Armstrong enters an unexplained spin; an Apollo 17 photo seems to show a US military outpost on the Moon; possible alien life swimming in the oceans of Jupiter's moons. 2026-11-13 When a Chinese moon rover breaks down, a scientist at NASA points to a mysterious material that seemed to sabotage the Apollo missions decades earlier; the Rosetta spacecraft discovers a comet that appears to be singing. 2026-11-13 The galaxy is full of stars ready to explode into supernovas, a stellar detonation powerful enough to destroy all life on Earth; it's an event that hasn't occurred in 400 years, and the search is on to locate which star may be next. 2026-11-13 Exploring new discoveries that rewrite the history of the solar system, revealing a complex and violent story that begins with the birth of the sun from the debris of a massive galactic collision to its eventual fate as a lone zombie star. 2026-11-13 Guided missiles, the Wasserfall, and the potentially war-changing V2 were dreamed up and tested in a base in Peenemünde. 2026-11-13 As the Nazis embark on their dominate rise to power, a massive construction project secretly begins across Eastern Germany; using the latest tech, experts uncover an elaborate network of underground tunnels and bunkers with frightening ambitions. 2026-11-13 Experts uncover a mysteriously abandoned underground complex that may have hid something very dark. 2026-11-13 A labyrinth of tunnels carved deep in the Polish mountains leads to the largest underground Nazi weapons development complex ever discovered. 2026-11-13 The skeletal remains of strange structures are clues to a mysterious research installation secretly built by the Nazis in Western Poland; experts investigate and uncover top-secret military fuel development with a catastrophic purpose. 2026-11-13 When the Nazis took Ksiaz Castle in 1941, it wasn't for the view, and they got to work turning it into a fortress; secret staircases and elevators were built, while underneath, a vast network of tunnels was taking form. 2026-11-13 A medieval castle-like complex in the remote mountains of Germany contains dark secrets to the Nazi's plan for world domination; experts investigate and uncover a nefarious training facility designed to groom elite Nazi personnel. 2026-11-13 A forbidden island points to a strange South American town that locals claim was the home of Adolf Hitler; new data from NASA satellites might reveal a sunken lost continent in the Indian Ocean; a pit of bodies suggests fears of a zombie nightmare. 2026-11-13 A strange lake in Transylvania is the home of an abandoned village and a terrifying secret; when a labyrinth is discovered on an island once home to an ancient Greek civilization, experts investigate if it was the legendary home of the Minotaur. 2026-11-14