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

Stone age urban planning.

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

This symbol of Yugoslav liberation decorated with 620 carved heads of mythical creatures is now a forlorn relic of another time.

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

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

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

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

This former monastery is still a revered religious site.

A Serbian monument to plums.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

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

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

Structure built from the skulls of vanquished foes.

The figure atop this globe is from a Serbian play about a merchant's travels around the world.

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

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.

Dedicated to the outnumbered Finnish forces who pushed back Soviet forces during the conflict.

Climb inside an iron crystal magnified 165 billion times its normal size.

This collection of lurid religious statues tell the tales of a saint who stood down the devil.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

This bike path traverses the treetops.

What was once a bustling mining installation is now a bustling hub of contemporary art.