The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

Strange rumors surround the artist who created these solemn metal guard dogs.

This was the second largest mercury mine in the world and one of the oldest preserved mine complexes in Europe.

An unmistakable facial pareidolia in the Julian Alps also includes a fantastic tale.

A whimsical bridge adorned with decorative dragons.

This abandoned Slovenian military barracks has become a punky-political art squat.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

An otherworldly alpine pasture in Slovenia with historical ties to WWII and architecture that recalls Middle Earth.

A crumbling World War I fort that is reached through a series of concrete tunnels.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

Where Aleister Crowley taught magick in "La Chambre Des Cauchemars," his "Chamber of Nightmares."

Gorgeous views of Italian mountains and valleys form the backdrop of this unique open-air theater.

Where the lovelorn find a home for their sentimental keepsakes.

An old slaughterhouse now holds the largest collection of pig artifacts.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This one-time health resort was used by aristocrats around the world.

This massive subterranean fissure is known as the "underground Grand Canyon."

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.