If you are into hiking, you need to allow several hours just for hiking. The sand dunes are great fun for families. Everyone tries to slide down the great sand dunes, some sit on their bottoms and ...

True to its name, this broad-shouldered design takes advantage of some of the largest dunes in the vast sand barrens of ...

This story appears in the November 2012 issue of National Geographic magazine. I got my first lesson in the physics of sand dunes in 1998 on an expedition into the Sahara. In order to take aerial ...