Inside a Top-Secret Nuclear War Bunker | Underground Marvels | Science Channel

Beneath the Greenbrier Resort in West Virginia sits a massive subterranean bunker, fit to sustain life in case of a nuclear attack. The Greenbrier Bunker remained one of the US' top Cold War secrets until 1992, when it's existence was uncovered by a Washington Post reporter. #ScienceChannel #UndergroundMarvels About Underground Marvels: Experts explore mysteries of abandoned subterranean phenomena around the world, sharing their impressive stories, unique origins and the secrets they still keep hidden underground. Subscribe to Science Channel:    / @sciencechannel   About Science Channel: Learn about outer space, leading scientific exploration, new technology, earth science basics, & more with science videos & news from Science Channel. Find us on social: Facebook:   / sciencechannel   Twitter:   / sciencechannel   Instagram:   / sciencechannel   TikTok:   / sciencechannel