This natural history museum houses one of the world's largest rat kings, a terrifying jumble of tangled rodents.

An officers prison camp believed to be impregnable by the Germans saw over 30 successful escapes.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

A strange rock formation with numerous legends trying to explain it.

This German monument honors the so-called "Prince of Mathematicians."

Bursting forth from a historic German neighborhood, these day-glo palaces are now a bright fixture in the town.

Volkswagen's dedicated museum dives into the complex history of one of the world's best known cars.

This German museum devoted to the simple wonders of salt is actually built over an old saltworks.

A Nazi concentration camp and Anne Frank's place of death.

An extraordinary mechanical calculator designed by the mathematician and philosopher Gottfried Leibniz.

This gateway to subterranean Hanover plays jazz, pop and rock to surprised passersby.

Striking occult iconography on a medieval German church.

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

The world's oldest rose is so tough it survived being bombed in World War II.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

This massive steel pyramid can be entered by a set of jagged steps that let visitors stand in its heart.

Take a walk in a recreation of ancient Rome.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

A set of beech hedges planted in the 19th century forms a tunnel that takes on a different appearance in every season.

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

This medieval castle was painted pink as part of a now-abandoned children's theme park.

This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.