Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Countless grotesque faces stare out from this eerie Prague art wall.

Macabre astrological automaton clock dating to the late 1400s.

Tiny communists hammer away on the Olomouc Astronomical Clock.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A misnamed well, with a deep dark past.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A pair of connected skyscrapers form this symbolic gateway.

The largest fountain in Bratislava.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

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.

Celebrated example of Ottoman architecture that also served as a site for brutal massacres.

Oriental bazaar in the heart of Sarajevo.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A 11-foot former president stands on a Kosovo street that also bears his name.

A futuristic, brutalist masterpiece that is also strangely prison-like.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.