The sand dunes surrounding the desert oasis of Huacachina are the highest in South America. The area is popular for Dune Buggy riding and sandboarding. What Next for California's Salton Sea After ...

Deep in the Sahara Desert, the Al Jawf oasis in southeastern Libya is pictured in this space wallpaper from Japan’s ALOS satellite. The city can be seen in the upper left corner, while large ...