The mountain, in the Sangre de Cristo Range, is located on Trinchera Ranch, private property owned by conservationist Louis ...

Sand Dune Arch heads into the towering red rocks ... If you continue on, you’ll hug the right side of the arch to climb up and over the rocks under the arch. The trail emerges on the far side ...

High-altitude play at Great Sand Dunes National Park and Preserve. The day I set out to climb the tallest sand dune in North America began with a gift from above. As I slithered from my warm sleeping ...

A more than 40-mile long conveyor belt filled with sand stretches from the oil fields of West Texas to New Mexico, all for the purpose of one mission: oil production.

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 ...

Climbing the dune is a challenge ... but those who visit in winter must trek through the soft sand. The nearby town of Arcachon offers excellent seafood restaurants and accommodations, making ...