This camera store in Milan holds one of Europe’s largest collections of luxury-antique cameras.

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

A larger-than-life house of cards stands outside the house of a former fashion designer.

A brutalist gem towering over the heart of Milan.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

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

A miniature train-ride through Slovenia's largest cave system.

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

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

The "dragon babies" of southeastern Europe.

A whimsical bridge adorned with decorative dragons.

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

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

Trimmed trees grow alongside the graves like topiary tombstones.

This only museum in the world dedicated solely to mushrooms.

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

Dive for drinks at Croatia's first and only underwater winery.

A self-proclaimed libertarian micro-state on a tiny bit of disputed territory between Serbia and Croatia.

Longest fortress system anywhere in Europe.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

Humble beginnings for one of the world's most famous scientists.

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

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

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