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

A pair of connected skyscrapers form this symbolic gateway.

For over 40 years, this quaint little house has teetered on a rock in the middle of a river.

A Serbian church lit by chandeliers made of weapons.

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

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

Legends of treasure and spirits flow from this this fairy tale-like oasis.

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

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Structure built from the skulls of vanquished foes.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

Place with alleged mystical powers in Old Orthodox Church in Sarajevo.

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

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

Two bulls enter. One leaves a champion—but neither loses its life.

This enormous abstract sculpture is part jungle gym, part elaborate noise-making machine.

A forgotten and crumbling Yugoslav monument to the victims of fascism.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

This historic cemetery was inaccessible for several years due to dozens of land mines.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

These warring psychedelic crags commemorate an unsuccessful military operation.

This World War I fortress is the perfect place to catch a Montenegrin sunset.