Most people picture a desert as something empty. Miles of baked earth, heat rising off the highway, not much reason to slow ...

Algeria’s Tassili N’Ajjer plateau is Africa’s largest national park. Among its vast sandstone formations is perhaps the world’s largest art museum. Over 15,000 etchings and paintings are exhibited ...

For those who find themselves awed by arid landscapes, there’s no place like Africa. The continent boasts nine separate deserts, including a vast Sahara that sprawls across much of the north, the rust ...