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Restricted & Secretive Sites
20 entries
Area 51
The secret Nevada airfield at Groom Lake
Bohemian Grove
The secretive elite retreat in the redwoods
Camp David
The president's wooded mountain retreat
Cheyenne Mountain Complex
The bunker inside a Colorado mountain
Dugway Proving Ground
The remote chemical-and-biological test range
Fort Detrick
The center of U.S. biodefense research
Fort Knox Bullion Depository
The fortified vault of the U.S. gold reserve
Granite Mountain Records Vault
The genealogical archive inside a mountain
Los Alamos National Laboratory
The secret birthplace of the atomic bomb
Mount Weather
FEMA's underground emergency operations center
Nevada National Security Site
The desert proving ground for nuclear tests
NSA Headquarters
The black-glass home of U.S. signals intelligence
Plum Island
The island lab for animal-disease research
Raven Rock (Site R)
The "underground Pentagon" on the Pennsylvania line
Skunk Works (Air Force Plant 42)
The secret home of America's spy planes
The Coca-Cola Vault
The guarded home of a secret formula
The Greenbrier Bunker
Congress's secret fallout shelter under a resort
The Pentagon
The headquarters of the U.S. military
Trinity Site
Where the first atomic bomb was detonated
Yucca Mountain
The stalled nuclear-waste repository