The hermits of Karoulia protect their asocial lifestyles by living on the vertical face of a treacherous precipice.

Eastern Bloc nostalgia, anybody?

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

A flamboyant five-story building in Bulgaria resembles a crawling snail.

The Bulgarian royal family exclusively used this ornate, now-abandoned train station.

This building has two facades of clashing architectural designs.

A sculpture of the beloved author surrounded by characters from his fairy tales.

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

A field of whimsical floats, where all of your favorite childhood stories have been put out to pasture.

Among the best preserved megalithic monuments in the Aragón river valley.

"Medieval" castle built in the mid-20th century by one family.

A submerged village appears when dam levels drop.

Dozens of snakes are housed and worshipped within the walls of this Vodun temple.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

In Spain, the ruins of a Roman military camp sit along a flooded section of a river.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

Its sunny hues are believed to have inspired the town's color palette.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

A cenote sitting in the middle of a parking lot shows the Yucatán Peninsula at its most urbanized.

An Austrian house of bones filled with hundreds of intricately painted skulls.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

A house mixing elements of Chinese and Mexican architecture stands as a tribute to the Chinese-Mexican bishop who lived here.