A naturally beautiful, seemingly bottomless deep blue spring.

A small town Romanian cemetery filled with darkly humorous gravestones.

Moss and stone turn this waterfall into an otherworldly liquid veil.

The silly symbol for an underground protest group is now scattered around the city.

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

Oriental bazaar in the heart of Sarajevo.

A little-visited waterfall in an otherworldly landscape.

A cluster of headless, armless sculptures looms within a popular Polish park.

A hidden art gallery in an abandoned Warsaw fort.

A striking public sculpture representing the period of martial law in Communist Poland.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

The site of the first battle of World War II.

Naturally formed rock city in Poland.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

A unrivaled and rather horrifying collection of wax dermatological models.

A font of vintage porn on the silver screen.