World's most secure and protected buildings

Fort Knox, Kentucky (USA) Regarded as the safest spot in the world, Fort Knox is the United States’ bullion vault, which opened in 1936 and is located south of Louisville, Kentucky. This is where the United States keeps the majority of its gold.

AREA 51 Area 51 is a military base for the United States that is separate from the Edwards Air Force Base in California, and no one outside of the center has any proof of what is going on within.

Bahnhof Underground Data Center The Bahnhof Underground Data Center, the world’s most well-designed data center, was the invention of Bahnhof, a Swedish internet service company that set out to locate a secure area to store data. 

Mountain Cheyenne An iconic Cold War relic hidden beneath the Rockies, the Cheyenne mountian complex is designed to withstand nuclear attack

Federal Bank Reserve Gold Vault Fort Knox however isn’t the world’s largest known gold storage facility. The Federal Reserve Bank of New York, located 80 feet below street level in Manhattan, houses 6,350 tons of the precious metal.

Vatican Secret Archives (Italy) Some of history’s most precious and essential religious papers and ledgers are kept at the Vatican. In a separate, secret structure that is not part of the Vatican Library, an estimated 35,000 volumes of material on the Roman Catholic Church are housed.

Saddam Hussein's Bunker (Iraq) The bunker’s exact number of rooms is unknown, however the main area did have amazing 60-foot high ceilings! The structure was built to protect Saddam Hussein in the event of a military attack

ADX Florence Prison The Administrative Maximum Facility in Florence (ADX) is a men-only supermax jail designed to imprison the most dangerous criminals. It is regarded as the harshest federal prison in the United States.