At this archaeological site, visitors can explore the ruins of the capital of the former Roman province of Moesia.

After this medieval Serbian fresco was hidden for centuries, an image of it became one of the first to be sent into space.

Sealing couples' love since just after World War I.

Imperial palace of Emperor Galerius, the Emperor behind the worst Christian persecutions during the Roman Empire.

This fresco inside a Serbian cave church has been a source of disagreement.

Stone age urban planning.

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

Beautifully carved tombstones fill this unmarked graveyard, uniquely situated near the village's famous stone wine cellars.

The oldest church in Serbia was also the ecclesiastical seat of the region during the Middle Ages.

Curious carved stones and bird-like wings are a symbol of Serbian resilience and freedom on the site of a WWII massacre.

Abstract monuments express sorrow and resilience at the site of a horrific massacre in Nazi-occupied Serbia.

An abandoned monument remembering the "Pančevo Holocaust" now stands as a shadow of its former self.

A maze of underground tunnels beneath one of the most beautiful forts in Serbia.

A well preserved medieval fortress in Vojvodina.

This fresco-covered medieval monastery hangs from the side of a steep cliff.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

A grand Yugoslav memorial to the group of partisans who fought and died resisting western Serbia’s Nazi occupation.

The ruins of this medieval castle on a foggy hill tell the story of a once-mighty empire.

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

The interior of this Serbian royal family's mausoleum is covered with exquisite mosaics.

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

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

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

Structure built from the skulls of vanquished foes.