Flamboyant architecture from the turn of 20th century.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A 11-foot former president stands on a Kosovo street that also bears his name.

A futuristic, brutalist masterpiece that is also strangely prison-like.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A Byzantine-era church hidden in a wooded area below the Acropolis.

The ruined doorway is a portal to the building's turbulent and torturous past.

Legend says this sacred tree was a gift from goddess Athena.

This building has two facades of clashing architectural designs.

Sofia's legislative center is continuously reinventing itself.

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

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A collection of art from Bulgaria's time as a communist state.

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

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

These warring psychedelic crags commemorate an unsuccessful military operation.

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

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

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

The place where World War I began.

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

Oriental bazaar in the heart of Sarajevo.

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

What happens when you cross a mayor and a painter?