Atlas Energy Solutions claims the conveyor belt is the second-largest in the world ... (AP Photo/Julio Cortez) A sand dune is ...

This giant sand dune in southern Spain is about 98 feet high and 656 feet wide, making it one of Europe's largest sand dunes. What is perhaps even more fascinating is what hides beneath it.

Sand dunes often provide the backdrop for a scenic ... you'll find the equally impressive Landes de Gascogne Regional Nature Park, the largest artificial forest on the continent.

How can something that is constantly shifting stand up to 750 feet tall? This southwestern park features the largest sand dunes in North America, and the key to their extraordinary height seems to lie ...

Appearances can be deceiving. At first glance, you'd never think the rolling white sand dunes of southeastern New Mexico and west Texas held the largest stand of oak in the country. The region's ...

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 ...

The prefecture also boasts one of Japan’s largest sand dunes created thousands of years ago. Sand. What exactly is it and where did it come from? And why can we see "Arabian Nights" in Tottori?

conveyer belt to transport millions of tons of sand for hydraulic fracturing. The belt the company named “The Dune Express” runs from tiny Kermit, Texas, and across state borders into Lea ...