This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

A monument to the man who almost killed Hitler.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

Tiny memorials honor individual victims of the Holocaust.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The most visited, and possibly most controversial, museum in Germany.

This quirky curiosity shop takes its cues from the world's bazaars.

Mai Tais and Navy Grog served up in one of the original tiki bars.

This woodland architectural installation acts as a camera obscura for the heavens.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

The upstairs reading room is packed with millions of rare books, literary manuscripts, and historical treasures.

Just like the real 36th president of the United States, animatronic LBJ amuses visitors with jokes and stories.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One part antique store, one part curiosities hodge-podge.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Sweden's oldest animated sign is still lighting up the skyline today.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

Sweden's "good old days" painstakingly re-created in a model village.

This Stockholm light tower can be controlled by anyone with a smartphone.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.