Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

This abandoned airplane hanger is said to have once been a top secret launch facility.

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

Carefully reconstructed after the Bosnian War, this 16th-century bridge stands as a symbol of the country's enduring multicultural heritage.

Bridge that died in war and was resurected.

This unique museum focuses on the Siege of Sarajevo through children's eyes.

The first mosque in the world to receive electricity.

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

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

Sofia's legislative center is continuously reinventing itself.

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

A vast Communist-era exhibition space in the Bulgarian capital.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

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

An ancient Greek monument and a Byzantine church coexist inside this cave.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.