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.

An abandoned saucer-shaped monument in the Bulgarian mountains.

The first mosque in the world to receive electricity.

An apparition of Virgin Mary in Herzegovina.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

A field filled with carved medieval tombstones called stećak.

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

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

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

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

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

Oriental bazaar in the heart of Sarajevo.

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.

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

The place where World War I began.

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

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

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

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

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.