Transcript for Inside the Top Secret Greenbrier Bunker
Welcome to honor its one of the great US government secrets of all time the green briar Boone. Floors by feet the walls are fighting. Ceilings. Where they can't. It's this facility was built to house congress if the whose capital was destroyed. This is a tunnel members of congress reviews in the bunker in case of a catastrophic attack. Sealed in by a thirty ton less fuel. 60000 pounds of concrete and steel to. The Greenbrier bunker dates back to the height of the Cold War. Nuclear devastation was a clear and present danger a part of daily life. Kids even did drills in school. And president Eisenhower went to the palace resort in West Virginia with a crazy sounding request you want us to do what. He asked them to build a 1121000. Square foot underground bunker beneath the hotel and keep it secret.
This transcript has been automatically generated and may not be 100% accurate.