Yugoslavia's biggest underground airport lies in ruins.

The cross-shaped memorial is filled with kitschy tributes to the late pop star.

This 3,800-year-old site contains markers used to study the movement of the sun and moon and create a lunar calendar.

Stone pillars and a petrified wedding party in the hills of North Macedonia.

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.

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

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

A tribute to a man who defied the Nazis until his last breath.

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

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

Popular river that runs through the remote Serbian municipality of Leskovac.

An eerie, protected forest of old-growth oak trees, many of which are now dead.

A misnamed well, with a deep dark past.

Despite being pillaged and destroyed a number over times down the centuries, this historic church still sort of stands.

Religious perseverance and cultural coexistence manifest in an architectural gem that multiple wars couldn't topple.

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

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

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

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

A Serbian church lit by chandeliers made of weapons.

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

Structure built from the skulls of vanquished foes.

Elaborate mansions built by Roma residents in Soroca to show their success after centuries of discrimination.