The Bulgarian royal family exclusively used this ornate, now-abandoned train station.

Eastern Bloc nostalgia, anybody?

A flamboyant five-story building in Bulgaria resembles a crawling snail.

Now a ruin, this grand resort was coveted by a communist autocrat and an eccentric Japanese golfer.

While it would not look out of place among Serbian spomeniks, this massive Bulgarian monument commemorates one of their defeats.

A dragon-shaped fountain that is said to dispense healing water—unless you're evil.

A crumbling monument to a now locally-extinct sport in Bulgaria's oldest ski resort.

An abandoned sanatorium building from the early 20th century sits in the forest of the Rila mountains.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

An abandoned resort in North Macedonia is a relic from the Communist Party of Yugoslavia.

Space-age monument to an early 20th-century uprising.

A mosaic monument that commemorates the historical struggles of the people of North Macedonia.

After witnessing the rise and fall of three empires, this ancient city was finally destroyed by a series of earthquakes.

Depending on the region's rainfall, this church may be partially submerged.

Artists made this mosque into a marvel of Ottoman baroque architecture.

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

This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

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

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

Controversial site of what could be Europe's first pyramid.

A wellspring of natural Viagra found in Bosnia.

This art installation pays homage to the famed stones of European lore.

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

This feat of Brutalist architecture is also known as the Three Sisters.