From towering dunes to sweeping desert landscapes, the U.S. is home to some of the largest and most stunning sand dunes in the world. Discover where to find these natural wonders and plan your next ...

Parts of the Sahara Desert in Ain Sefra, Algeria, was covered in a layer of frost on December 29, as the region witnessed freezing temperatures. Footage captured by Karim Bouchetata shows the icy ...