A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A naturally beautiful, seemingly bottomless deep blue spring.

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

Christianity and Islam have clashed, yet here a Serbian Orthodox church and a mosque stand together.

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

Two distorted Romanesque columns hold aloft a mine cart in honor of laborers who died during WWII.

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

An ethereal glowing blue ocean cave in Croatia.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

The only gulag ever to exist in socialist Yugoslavia.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

When Croatia became independent of Yugoslavia, the splintering governments left behind these concrete tunnels.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

This military tunnel dates back to World War II and provides visitors with a little wartime adrenaline.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

The Renaissance-era courthouse is a relic from the fortified town's centuries of Venetian rule.

Built as an anti-fascist tribute, this surreal Yugoslav memorial became an unwelcome symbol after the Croatian war for independence.

An ancient knight and a symbol of the city's freedom.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

This Croatian island is for sale but no one is buying due to the dozens of accused Nazi sympathizers who were massacred there after WWII.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

A tribute to an iconic act of defiance from the Croatian War of Independence involving a small car.

This beautiful Croatian fortress is haunted by legends of forbidden love.

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