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

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

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

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

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

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

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.

Hidden dwellings in the cliffsides of North Togo used by local Moba tribes to evade 18th-century slave traders.

The Voodoo Superstore of the world.

A remote island settlement off the coast of Tanzania is a storied archaeological site with an ancient past.

The culture that built these Tanzanian ruins displayed advanced knowledge of irrigation technology before mysteriously disappearing.

In Zanzibar, a historic 19th-century palace is a reminder of the world's shortest war.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

These strange piles of magnetized volcanic ash travel across the desert about 50 feet per year.

An exquisite and eclectic selection of African masks stands out within a massive woodcarving marketplace.

The largest game reserve in Africa is home to thousands of species but refuses to house humans.

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

Stay in your own little bubble.

This rare volcano spews the strangest and (literally) coolest lava in the world.

This sacred, circular cave is lined with pools so clear and still that it's hard to tell where the water begins.

These pillars are one of the few remnants from the mysterious lost empire of Makuria.

The best-preserved example of a unique structure in Nubian architecture.

A remote monument to one of the fiercest battles fought by the Victorian British Army.