Deep inside a Colorado mountain lurks a remnant of the Cold War era. Buried 2,000 feet beneath Cheyenne Mountain is a secret military complex, where 15 buildings can seal themselves off from the rest ...
IT'S HISTORY on MSN
Why Cheyenne Mountain is totally forbidden
Carved deep into the granite of Colorado’s Front Range lies one of America’s most secretive Cold War creations: the Cheyenne ...
Add Yahoo as a preferred source to see more of our stories on Google. Beneath the Rockies lies a Cold War-era fortress, built to survive nuclear war. Brian goes inside the Cheyenne Mountain Complex to ...
Not What You Think Official on MSNOpinion
Why America’s ultimate nuclear bunker became obsolete so fast
Deep inside Cheyenne Mountain Complex, the United States built one of the most heavily protected military facilities ever ...
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