Isolated for 20 Million Years: Why Socotra Has Species You Won’t See Anywhere Else in the World

A bleeding tree, a blue tarantula, and unique reptiles: inside Socotra, the Yemen island that evolved apart from the world
Shibam: The City That Built Skyscrapers of Mud 2,500 Years Ago

Deep in the Yemeni desert, 500 mud towers have defied gravity since the 16th century. Welcome to the Manhattan of the Desert.