The heads of two giant mythological water horses honor Scotland's horselord past.

A mountain pass in Bulgaria's Balkan Mountains was the site of four historic battles.

An abandoned saucer-shaped monument in the Bulgarian mountains.

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

An autonomous republic of Orthodox monks.

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

This huge metal monument is slowly being stripped to its concrete skeleton.

Yugoslavia's biggest underground airport lies in ruins.

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

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

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

Oriental bazaar in the heart of Sarajevo.

Place with alleged mystical powers in Old Orthodox Church in Sarajevo.

Two bulls enter. One leaves a champion—but neither loses its life.

During World War II, this rice mill became a Nazi concentration camp.

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

The "dragon babies" of southeastern Europe.

A whimsical bridge adorned with decorative dragons.

An exquisite Baroque church in Vienna's old town.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Baroque celebration of the end of the Great Plague of Vienna.

The final resting place for the remains of 143 Habsburg royalty.