The ruins of a military-industrial complex now host concerts and more.

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

Featured in one of the most iconic scenes in cinema history.

This building has two facades of clashing architectural designs.

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

A unique museum dedicated to culture and artistry of carpet weaving.

A quirky little wax museum is home to some of the most famous Serbians in history.

Dozens of Soviet-era trains and carriages fill this outdoor museum.

Remnants of the city's Soviet history hover over this modern fast-food outlet.

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

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

Some of the greatest minds in the history of Hungarian art and science converged in this café.

The oldest continuously operating pharmacy in Europe.

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

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

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

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

A crumbling ghost town with prime views of the dam that doomed it.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

An ancient necropolis of magnificent tombs.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

Take Soviet nostalgia to new heights by toasting the first man in space over a full spread of Belarusian and Soviet fare.

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

Reminders of the Battle of Berlin still scar the railway.