This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A 14th-century Serbian Orthodox church that was once converted into a mosque under the much-disfavored Ottoman Empire.

This lonely minaret with an unusual decorative symbol is all that remains of a historic Ottoman mosque.

The ceiling of this cavern is dripping with multicolored marble stalactites.

Christianity and Islam have clashed, yet here a Serbian Orthodox church and a mosque stand together.

As of 2022, the 124 rooms of Kosovo ski resort remain empty.

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.

This elegant monument to those who fought against fascism is inspired by the shape of the poppy flower.

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

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

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.