Sculpted into graceful contours by countless centuries of wind and water, the Great Sand Dunes sprawl along the eastern fringes of the vast San Luis Valley of s

For three years, John Weller captured the Great Sand Dunes with his extraordinary photography and vivid stories. Here is his masterly result in a phenominal boo

* Guidebook to hiking, biking, or climbing in the stunning Sangre de Cristo Mountains. * Details unlimited recreational opportunities for the park's 225,000 ann

On January 1 of 2016, Stefanie Payne, a creative professional working at NASA Headquarters, and Jonathan Irish, a photographer with National Geographic, left th

It is a high valley edged by serrated peaks, a remote expanse the size of Connecticut lying, as if forgotten, between two mountain ranges. Here, North AmericaÕ