Rolling sand dunes of the Sahara... in the middle of the Atlantic Ocean.

Spirits from these lakes are said to produce the local weather and odd phenomena as they bicker between themselves.

These mysterious 1,000-year-old walls have revealed little about their past.

In this African village, the walls of the chief's compound are painted with beautiful traditional designs.

This trio of bronze giants celebrate the influential trip to Britain that led to Botswana's independence.

The historic cave is both a symbol of superstition and black magic and inspired one of the early Christian converts in Botswana.

An enchanting rocky island of scraggly baobabs surrounded by an ancient sea and sprawling salt pans.

Wondrous stalactites house thousands of bats in these African caves.

This subterranean town of over 50 dwellings lies thirty feet beneath the Earth's surface.

Dozens of snakes are housed and worshipped within the walls of this Vodun temple.

A monument to the more than one million enslaved Africans deported from the port of Ouidah.

Did Gustav Eiffel design this enigmatic metal building?

Abandoned ships along a deserted beach feel like the set of a post-apocalyptic thriller.

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.

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

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

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

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

For those going through a life transition, a place to leave behind a piece of your former self.