What counts: Documented, declassified underground government installations built for continuity-of-government or military purposes
Mount Weather Emergency Operations Center
A Cold War-era continuity-of-government bunker in Virginia's Blue Ridge Mountains, declassified in the 1990s.
added by A readerMount Weather Emergency Operations Center
Raven Rock Mountain Complex (Site R)
A major Cold War continuity bunker in Pennsylvania near Camp David.
added by A reader
Colorado's hardened command center home to NORAD, famous for its massive blast doors.
added by A readerCheyenne Mountain Complex
The Greenbrier Bunker
A congressional relocation facility built under the Greenbrier Resort in West Virginia, exposed by a 1992 Washington Post story.
added by A reader
Decommissioned ICBM Silos
Hundreds of former and active missile fields scattered across the Great Plains.
added by A reader
Government Tunnel Networks
Evacuation and secure communication tunnels beneath the Pentagon, White House, and Camp David.
added by A reader
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