Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

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

An intricate and amazing house built by architect Karl Junker.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

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

This unique Renaissance castle was turned into a home for Nazi occultism.

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

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

A village on the east coast of England that has almost completely eroded into the North Sea.

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