An unmistakable facial pareidolia in the Julian Alps also includes a fantastic tale.

The monument honors the mountaineers who were part of Europe’s best anti-Nazi forces.

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

Slovenia's first mosque is a striking mix of Islamic and modernist architecture.

This abandoned Slovenian military barracks has become a punky-political art squat.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A whimsical bridge adorned with decorative dragons.

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

A public work of art that also provides some relief from the summer heat.

In between two buildings in Ljubljana, medieval tunnel to nowhere.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

The remains of this castle, known as the Witch’s Eye, watch over the Thur Valley.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

This building’s ghostly exterior reflects its former lives as a prison, school, and funeral home.

These ramparts, once lined with towers, were constructed in defense of Beaune.

Was the twisted roof on this church's belltower an intentional design or a happy accident?

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

These quaint French houses dangle precariously over a precipice.

This massive and eclectic collection is filled with thousands of sculptures, masks, and assemblages.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

This French "sea of rocks" is packed with stunning rock formations and its own medieval castle.

Live-in sculpture begun by one family in 1979.

These thermal springs were once popular with residents of a nearby Roman colony.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.