Rock carving created 1,300 years ago 75 feet off the ground.

Founded in the 4th-century, the town of Pernik plays host to the Surva Carnival⁠—a magnificent display of masked Kukeri dancers.

These natural cliffs look like they are a part of an old castle complex.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

The site of many battles and tragedies, including the 40 maidens who leapt into the sea.

Said to be the only museum in the world dedicated to the most classic of all blooms, the rose.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

This heart-shaped island looks substantially less lovely after a recent bulldozing project.

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.

This historical village takes you back to the 19th century.

A hidden stream deep in the mountains creates one of the largest tufa waterfalls in Serbia.

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

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

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.

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

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

A 16th-century mosque rebuilt after wartime devastation.

Carefully reconstructed after the Bosnian War, this 16th-century bridge stands as a symbol of the country's enduring multicultural heritage.

An apparition of Virgin Mary in Herzegovina.

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

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