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 2013 astronaut photo shows a giant eye-shaped impact crater in the Sahara Desert that is slowly being circled by ...

Make the thrilling journey into this Alaskan national park and prepare to be awestruck by a natural setting that seems both ...

Camp in the desert, ride down sand dunes, gaze at a starry sky or hike through marshes while visiting the Bruneau Sand Dunes. Located in a 4700-acre state park, it’s a must-see destination in southern ...

They are the largest active sand surface in Canada ... Any pictures I've seen from the dunes are amazing, depicting scenery unlike any I've seen before. This hidden Saskatchewan treasure is ...

Behind many of these beaches are sand dune systems which provide homes for diverse forms of wildlife including plants and insects, some so highly specialised that without these dune habitats ...