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 ...

This story appears in the October 2009 issue of National Geographic magazine. An ancient wind is coming up from a place called deep time. The Sahara strikes us as an eternal inferno of dunes and ...

These bizarre scenes from the Sahara Desert show locals sledging down sand dunes after the heaviest snowfall in living memory. Photographers have taken incredible pictures this morning of ONE ...

and as close as one mile from the boundary of the Great Sand Dunes National Park and Preserve near Alamosa. Flight for aerial photos was provided by Eco Flight on June 13, 2018. Originally ...

A rare deluge of rain has left blue lagoons of water amid the palm trees and sand dunes of the Sahara Desert ... one of the hardest-hit areas. An aerial view of lakes caused by heavy rainfall ...