Just a few miles from Novalja, a strange geological oddity has left scientists baffled.

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

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.

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

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

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

This huge metal monument is slowly being stripped to its concrete skeleton.

Legend has it fairies gathered at the site of this medieval castle.

The remains of a sunken military ship wreck visible through clear water.

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

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

A musical instrument played by the sea.

An ethereal glowing blue ocean cave in Croatia.

This one-time health resort was used by aristocrats around the world.

The Slovenian architect designed many landmarks in the capital city, including his own dream house.

Colorful power station with a chimney equipped with a gallery for exhaust monitoring equipment.

This cutting edge museum details the history of skiing, from its ancient origins to its status as a sport.

A beautiful drive through the foot of the Alps traces the path of 15th-century Turkish raids.

The "dragon babies" of southeastern Europe.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.