Without the proximity of the Great Sand Dunes, these towns would be left without a major economic ... The corridor is vital for elk, bighorn sheep, bobcat, black bear, mountain lions and the rare Rio ...

Found in Hawaii, Iceland, the Canary Islands and other destinations around the world, black sand beaches intrigue travelers with their mystery and beauty. These beaches form over time by the ...

If you are driving between Great Sand Dunes NP and Black Canyon of the Gunnison NP be prepared for a windy twisty mountain ...

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 ...