This beautiful medieval Serbian monastery is home to frescoes, peculiar sculptures, and historical curiosities.

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

This mesmerizing medieval monastery-cave complex sits thousands of feet above ground overlooking a valley.

An 11th-century Byzantine church with medieval Serbian history and spectacular views.

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

A beautiful 19th-century mansion slowly crumbled and became a 'ghost house' after World War II.

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

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

This dazzling Art Nouveau mansion is now home to the Modern Art Gallery Subotica.

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

This outcropping was once home to a medieval monastery destroyed during the Ottoman conquest.

This medieval monastery represents an architectural blend of eastern and western European culture.

An idyllic traditional timber village on a picturesque hill was built for a film.

The ridged layers that make up this river canyon represent Earth's geological history.

Through the colossal entrance to this cave you'll find limestone tubs and an underground waterfall.

Near Belgrade, an ancient-looking sarcophagus serves as a World War I monument.

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

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

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

A well preserved medieval fortress in Vojvodina.

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

This 15th-century Serbian Orthodox monastery also contained a school for illuminating manuscripts.

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

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