A strange anthropomorphic stele with a mysterious inscription that has never been deciphered.

A delightful museum devoted to the history of books.

This remarkable museum sprung from one of the most important prehistoric archaeological sites in the world.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.

These primitive rock paintings include a very beloved depiction of a woolly mammoth.

Giant granite sculptures representing family on the northern coast of Spain.

The morbid items in this small and hidden museum are not for the weak stomached.

This Funeral Hearse Museum represents the finest in cadaver transportation.

A landscape decorated with enormous skull sculptures.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

This sprawling Jewish cemetery is one of the largest in Europe.

This enchanting mountain plateau celebrates spooky local folklore.

Flowers have mysteriously appeared on her effigy every day for the last 150 years.

The stones of this formerly witch-obsessed castle were used to build a church.

Twisted buildings adorn the banks of the Rhine river.

A small but immensely extravagant palace built by the "Night King."

Tucked in the back of this amazing antique store is an important piece of medical history.

On Japan's Tashirojima Island, cats are king.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A terrific purveyor of natural history objects and curios.

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

This haunting location was featured in the final scene of a classic spaghetti western.

This enchanting green space houses a labyrinth lined with toxic plants.

Disturbing winged beings decorate the walls of this strange abandoned hermitage.