The abandoned tower is the last remnant of Lusaka's first major power plant.

A small but beautiful waterfall hidden away in the north of Zambia.

Rare pigmented engravings cover the walls of this Stone Age shelter.

Now abandoned, this stone church was part of the missionary efforts that initiated the Christianization of Zambia.

This stunning waterfall is the backdrop to a site that has seen continuous human habitation for 250,000 years.

This fascinating cave is packed with prehistoric rock art and Stone Age tools.

Arrogance and quarreling are forbidden near these three sacred waterfalls.

A secluded natural oasis hidden deep along a rainforest trail.

Artifacts showcasing the witchy history of Zambia.

Where the White Nile River dramatically cascades between Lake Kyoga and Lake Albert in Uganda.

This 19th-century church was built for Sicilian immigrants, survived World War II, and today stands on a landfill.

An eerie ship cemetery with gunfire as a soundtrack.

A charming Amazigh village carved into a mountaintop.

Geothermal resources are cooled in this oddly-shaped structure before being used for irrigation

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

This gem of Moorish architecture is slowly disintegrating along the coast of this charming town.

The best-preserved Roman small town in North Africa.

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

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

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

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.

The unique building practices of the Batammariba reflect the community's deep reverence for and connection to the earth.

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