An abandoned brutalist monument whose history has been lost to the ages.

A Hollywood-sign replica with a typo on a remote hillside.

Lodged in the wall of this driving school is a Zastava 750, one of the region's most popular cars.

Once a bridge over the River Begej, now high and dry.

A little theme park full of miniature monasteries and churches, made by hand.

These natural stone bridges are the largest on the European continent.

An idyllic traditional timber village on a picturesque hill was built for a film.

Serbia's master of striking memorials erected a forgotten, hidden gem in the hills outside a tiny village.

This mesmerizing medieval monastery-cave complex sits thousands of feet above ground overlooking a valley.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

A Serbian church lit by chandeliers made of weapons.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.

A well preserved medieval fortress in Vojvodina.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.

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

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

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.

This massive subterranean fissure is known as the "underground Grand Canyon."

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

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

Structure built from the skulls of vanquished foes.