Star dunes - sometimes called pyramid dunes - stand out among sand dunes for their towering height and eye-catching form.

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.

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?

I will cherish my days at the park for the rest of my life. How can something that is constantly shifting stand up to 750 feet tall? This southwestern park features the largest sand dunes in North ...

KERMIT, Texas — It's longer than the width of Rhode Island, snakes across the oil fields of the southwest U.S. and crawls at 10 mph – too slow for a truck and too long for a train. It's the ...

has installed a 42-mile conveyor belt to transport millions of tons of sand for hydraulic fracturing. The belt, which the company named “The Dune Express,” runs from tiny Kermit, Texas ...

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 ...