A geothermal energy project gone wrong is fracturing the city's picturesque architecture.

A charming little museum founded by the designer of the Statue of Liberty.

A sandstone block marks the alleged spot where the legendary writer was conceived.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

This fascinating museum in an old water tower holds the world's largest collection of Vodou artifacts from western and central Africa.

No need to strap in for a "ride" on this walkable roller coaster.

An abandoned underground bathroom is now a space for public art.

Twisted buildings adorn the banks of the Rhine river.

Be it nature, art, or abandoned military architecture this eclectic German "museum" has you covered.

This strange building looks like a medieval fortress crashed into a 1960s Brutalist office block.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Sculpture designed by Turkish artist and professor Mehmet Ali Uysal.

Hiding the longest subterranean river known in the world.

A fantastical bed and breakfast with magically unique rooms.

The highest point in Belgium is a staircase to nowhere.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

This is what trains will look like after the zombie apocalypse.

These ruins reveal the remarkably intact layout of a Roman marketplace.

This collection of lurid religious statues tell the tales of a saint who stood down the devil.

A small monument in Lithuania marks the geographic center of Europe—or at least one of the claimants.

You would never guess that before World War II this lonely field was a bustling German city.

Underwater roads undetectable from the surface used for escape routes from foreign invaders.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.