TV-PG
65%Underground Marvels
Oct 17, 2019 45 min avg S2 E1
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Description
tvDocumentary
Historians, engineers, and experts take a look at the underground structures, systems, and phenomena that exist beneath our feet.
Episode 1Hotel Bunker of the Apocalypse
The top-secret construction of a massive nuclear bunker remained concealed under a palatial West Virginia hotel for decades, and now, experts reveal how this vast subterranean structure was one of the most closely guarded Cold War secrets in US history.
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