This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Yugoslavia's biggest underground airport lies in ruins.

Split's smallest church, and one of its oldest, has been reconstructed inside the city's Roman walls.

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

The now-overgrown beach resort was once frequented by Yugoslav military elite.

A misnamed well, with a deep dark past.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

Arguably Belgrade's only example of pure Art Deco architecture.

A museum dedicated to the former country.

Backwards hour and minute hands and a timing mechanism that fluctuates with the temperature led to this clock tower's local nickname.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

Structure built from the skulls of vanquished foes.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

A UNESCO-protected spiritual seat of the Old Serbian Kingdom and Empire.

A monastery considered a state-protected cultural monument of exceptional importance, founded in the 14th century by Serbian King Stefan Dečanski.

An unfinished Serbian Orthodox church with 1,389 golden crosses planned to represent the Battle of Kosovo.

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

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 14th-century Serbian Orthodox church that was once converted into a mosque under the much-disfavored Ottoman Empire.