A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

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

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

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

The place where World War I began.

A monument on the pavement marks the spot where two cultures that shaped Sarajevo come together.

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

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

Controversial site of what could be Europe's first pyramid.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

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

A museum dedicated to secret surveillance.

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.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

A seemingly unassuming palace near Budapest hides a stupendously decorated hall.

Outside of Budapest, a reconstruction of a 16th-century fortress.

A whimsical bridge adorned with decorative dragons.

Climb into Albania's communist history while enjoying a spectacular ocean view.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.