Watch EP15 "Shanghai Tunnels" with Fubo for $0 Today
Criminals use the Shanghai Underground to run their operations.
Criminals use the Shanghai Underground to run their operations.
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Secret Passages
EP22 "Underground Gardens"Baldasare Forestiere builds a subterranean Shangri-La in California.
Secret Passages
EP19 "America's Stonehenge"In New Hampshire, a long stone passageway leads from ancient rock monoliths into a mysterious underground chamber.
Secret Passages
EP15 "Shanghai Tunnels"Criminals use the Shanghai Underground to run their operations.
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Norm Christie investigates the often unknown stories behind history's battles.
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Hunting Egypt's lost treasures in the Valley of the Kings.
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Maritime mysteries -- old and new -- come to life in this series, combining scientific data and digital re-creations to reveal shipwrecks, treasures, and sunken cities on the bottom of lakes, seas and oceans around the world. Innovative technology allows viewers to see what lies on the floors of large bodies of water such as the Gulf of Mexico, the Nile, the Indian Ocean, the Baltic Sea and the Atlantic Ocean as if they had been drained. Then, in a quest to explain natural wonders and man-made catastrophes, stories tell of how vessels sank, what ancient geological formations reveal about life on Earth, where Nazi secrets now reside, and why so many continue to search for the legendary city of Atlantis.