The Economic Times

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

A secret underground bunker was built beneath The Greenbrier resort in West Virginia. This facility was designed to shelter Congress during a nuclear attack on Washington. For over thirty years, its existence remained hidden from the public and guests. The bunker contained essential facilities to sustain government operations for ninety days.