8. Cheyenne Mountain
The former command center of NORAD is still one of the safest locations on the globe. The tunnel leading into this underground bunker is surrounded by solid granite, and that’s just the tunnel.
The complex was built under 2,000 feet of granite on five acres. Fifteen three-story buildings are protected from movement by an earthquake or explosion by a system of giant springs that the buildings sit on and flexible pipe connectors to limit the operational effect of movement.
A total of more than 1,000 springs are designed to prevent any of the 15 buildings from shifting more than one inch. The complex is the only high altitude Department of Defense facility certified to be able to sustain an electromagnetic pulse (EMP). There is a large quantity of cots for most of the personnel and suites for “top brass” within the nuclear bunker.
Amenities include a medical facility, store, cafeteria, and fitness centers inside and outside the mountain.
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