Home to pygmy hunter-gatherers, hundreds of animal and bird species, and the strange okapi, or forest giraffe.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

The hottest place on the planet.

An ancient city exhumed from the depths of the ocean.

One of the most well-preserved temples of ancient Egypt.

The city-sized home palace of one of ancient Egypt's most powerful rulers gives us a rare look into the lives of the epoch's rulers.

South Africa's postal service began with a letter left in a boot beneath this tree.

A mesmerizing sculpture marks the site where the activist was arrested after evading capture for 17 months.