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

A spectacular Bulgarian cave resembling a devil's head with a waterfall rushing down its throat.

This historic black and white monastery is one of Bulgaria's architectural jewels.

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

The ceiling of Prohodna Cave in northern Bulgaria affords a peek at the sky via two deity-sized-eye-shaped holes.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

The first mosque in the world to receive electricity.

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

Celebrated example of Ottoman architecture that also served as a site for brutal massacres.

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.

This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

Oriental bazaar in the heart of Sarajevo.

This historic cemetery was inaccessible for several years due to dozens of land mines.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

A war-torn Olympic relic is being overtaken by graffiti and nature.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

These warring psychedelic crags commemorate an unsuccessful military operation.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Bridge that died in war and was resurected.