Fort Knox is known as one of the most heavily guarded and secretive places in the world due to the vast amount of gold reserves stored within its walls. The United States Bullion Depository, located within Fort Knox, houses a significant portion of the country’s gold reserves, making it a prime target for theft or attack. As a result, the facility is heavily guarded with layers of security measures, including armed guards, surveillance cameras, and even minefields surrounding the perimeter. The secrecy surrounding Fort Knox’s operations is also maintained to prevent any potential threats from gaining insight into the facility’s layout and security protocols.