One of only two civilian settlements in the desolate lands of chilly Antarctica.

One of the most extreme deserts in the world, these snow-free valleys harbor life, despite the hostile environment.

Naked scientists race around the pole in the frigid cold to try to join Antarctica's exclusive 300 Club.

One of the world's southernmost bars.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Natural time capsule containing an alien ecosystem.

These naturally balancing rocks were pictured on every Zimbabwean banknote, up to the 100 trillion-dollar note.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

A strangely forgotten claimant to the much contested title of "Source of the Nile."

This grand hydraulic installation has provided water for townspeople since the Middle Ages.

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

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.

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

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

Human ancestor’s 3.6 million year-old footprints.

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

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

Stunning ruins of what was once the center of one of the greatest empires in East Africa.

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

Crumbling pyramids and temple ruins stand within the shadow of this sacred butte.

These Nubian pyramids are strange and unique, even by pyramid standards.

A sobering account of the vibrant multicultural neighborhood that was destroyed under apartheid.

The tallest residential building in Africa is an unsettling Brutalist monolith.