5 Most Secret Hidden Rooms

Rooms so secret that some never even officially existed. what were they hiding?\r
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Dark5 presents 5 of the most secret places in the world. including the mysterious all metal room 511 of the Ukrainian Tax Services, the Cosmic Room containing the secret history of an entire country, the KGBs creepy 23rd floor penthouse suite, the black market hub Room 39, and the Vatican Secret Archives.\r
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Intro: The Machine Thinks\r
by Kevin MacLeod (incompetech.com) \r
Licensed under Creative Commons: By Attribution 3.0\r
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Dark5 is a curated repository of documentary knowledge featuring the darkest, strangest, weirdest, scariest and most amazing of science, science fiction, history, technology and horror. Within youll encounter paranormal top 5 lists including the most mysterious photos that cannot be explained, mysterious creatures caught on tape, secret conspiracies, unexplained videos, aliens, UFOs and the creepiest monsters real and imagined.