You know, for nukes.
If you thought The Greenbrier bunker was impressive wait till you see what the UK kept hidden under a small town in the UK.
A 35 acre subterranean Cold War City that lies 100 feet beneath Corsham. Built in the late 50s this massive city complex was designed by Government personnel in the event of a nuclear strike. A former Bath stone quarry the city, code named Burlington, was to be the site of the main Emergency Government War Headquarters - the hub of the Country's alternative seat of power outside London.
Over a kilometre in length, and boasting over 60 miles of roads. Blast proof and completely self-sufficient the secret underground site could accommodate up to 6,000 people, in complete isolation from the outside world, for up to three months...