Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

The prototype for all Nazi concentration camps.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.