The Most Controversial Places That You Can’t Get Into

Fort Knox US Bullion Depository, Kentucky

During World War II, Fort Knox held the Declaration of Independence, US Constitution, and the Magna Carta. Needless to say, it was a pretty heavily guarded area as it held some of America’s most important history. This place is protected by armed guards, alarms, minefields, barbed wire, electric fences, camera, and even Apache helicopters.

The More You Know

Where the Wild Things Are was supposed to have been about horses—but the illustrator couldn't draw them.
Vietnam is one of the most pro-US countries in the world, with 76% having a favorable view. This is higher than Japan, the United Kingdom, and France.
Crayola is literally "oily chalk."
The world's largest Barbie collection includes more than 15,000 dolls.

Post originally appeared on Upbeat News.