10 Secret U.S. Government Bunkers

The United States of America contains many classified bunkers, particularly in relation to continuity of government (COG). In the event of a terrorist attack, nuclear strike, or other catastrophic occurrence, US government leaders congregate in top secret facilities, all of which are strong enough to withstand severe blasts and provide survival necessities for extended periods of time. These exclusive fortified shelters are some of America's best-kept secrets and strongest lines of protection.