A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

The prototype for all Nazi concentration camps.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

The fairy tale castle of the "fairy-tale king."

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.