A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A marvel of Byzantine engineering under the streets of Istanbul.

Roman ruins top white travertine terraces formed by ancient hot springs.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

One of the very few mosques built by the Ottomans still standing in Croatia is now a Catholic church.

Maze-like streets filled with vibrant murals draw visitors to this Istrian town.

A unique interactive experience of everyday life in communist Yugoslavia—a very different time in Croatian history.

This fountain has a growing (animal) population, and might also be growing in size.

This 15th-century church houses priceless works of art from a range of Croatian artists.

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

A forgotten monument to Yugoslavian freedom.

A tower marking the spot where Yugoslavia began its resistance against the invading Nazis stands neglected, but not quite forgotten.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

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

A musical instrument played by the sea.

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

An ethereal glowing blue ocean cave in Croatia.

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

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

Croatia's towering concrete blossom grows from the site of a World War II concentration camp.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

Where the lovelorn find a home for their sentimental keepsakes.