World's Most Heavily Guarded Location- Fort Knox(US Military Base)

                      Fort Knox: US Military Base/Post.

What's Inside: 
-Bullion Depository has been maintained on this post since 1937.
-Thousands tons of Gold , massive US Treasury in form of Gold bricks and coins. 
-Historical Documents. i.e. Magna Carte and Decleration of Independence.
-US Army Armor Center.
-M1 , main battle tanks.

Location & Area: 
Fort Knox covers almost 109,000 acre and situated In North of Elizabeth Town and South Louisville , Kentucky, USA !

Most Guarded Location, How ? 
- 30,000 Soldiers and 300 Tanks available for protection.
- 22 Tons, blast door.
- Barriers:

• Motion Sensors available at outermost fence that connects with roads and highways.
• 2nd barrier is 10 foot electrical fence with concrete base.
• Next barrier is also electrical rectangular area with several doors.
• At the last,Black wrought iron barrier forming octagonal barrier around main building.