Founded in 670, this ancient mosque is an architectural time portal.

An ancient burial ground believed to have been used for ritual sacrifice.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

A seemingly simple canyon that was the backdrop to a number of famous movies.

An abandoned film set location for a remote spaceport in a galaxy far, far away hides in the Tunisian desert.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

The best-preserved Roman small town in North Africa.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

The original movie set for the home of 'Star Wars' hero Luke Skywalker.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

The original resting place of Queen Cleopatra and Mark Antony's only daughter.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

This dizzying span over the ancient Algerian city was once the highest suspension bridge in the world.

The abstract sandstone rock formations at this Algerian national park are rich with prehistoric art.

This massive monument towers over the city as a constant reminder of the lives lost during Algeria's hard-won war for independence.

This former cathedral is now a bustling library packed with students and pigeons.

A century-old stone hermitage overlooks this remote pass in the Hoggar mountains, surrounded by a landscape of eroded volcanic cores.

Classical ruins that remember ancient Rome's presence in Africa.

World's largest open air theater spans 24 acres and hosts a massive recreation of the Passion of Christ.

Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.