In 1958, the U.S. government hid a 112,544-square-foot congressional bunker beneath a luxury hotel in West Virginia. 35 years later, its secret was revealed, exposing a fully operational underground government built for nuclear war

Discover the hidden history of the Greenbrier resort's underground bunker built for Congress during the Cold War, revealed after 35 years of secrecy. Learn about its features, purpose, and the exposure that led to its decommissioning.