The medieval fortress of Prince Lazar of Serbia is now an archaeological park.

A series of metal trumpets in the heart of Ruma represents the seven Vojvodina People's Liberation Brigades.

An eerie fountain commemorating the death of a boy that sparked a small war in the 19th century.

One of the most important fortresses along the Danube now lies in ruins.

A NATO bombing took the lives of 16 civilians in 1999—the ruins remain in the center of Belgrade.

Arguably Belgrade's only example of pure Art Deco architecture.

A large concrete replica of a 12th-century figurine.

This statue of the famed author, actor, and journalist is made entirely of screw-nuts.

It may seem a little out of place in a tiny village, but the inspiring story of its creation made headlines.

The first European statue dedicated to the legendary musician.

This statue of a goat in boots is meant to represent the European Union.

Once a beautiful palace, this structure is now known as the ''museum of destruction."

In the hinterlands of Serbia's capital, a giant reflective mushroom houses an aeronautical history of the former Yugoslav republic.

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

Ride in 1960s style on the private luxury train Marshal Josip Tito used to travel around Yugoslavia.

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

Structure built from the skulls of vanquished foes.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

The ancient latrines of the Greeks, in all their public glory.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.