Gran Desierto de Altar
Videos
The Gran Desierto de Altar is one of the major sub-ecoregions of the Sonoran Desert, located in the State of Sonora in northwest Mexico. It includes the only active erg dune region in North America. T
Sand dunes at El Pinacate y Gran Desierto de Altar Biosphere Reserve, northwestern Sonora, México
Tinajas Altas Mountains
Videos
The Tinajas Altas Mountains are an extremely arid northwest–southeast trending mountain range in southern Yuma County, Arizona, approximately 35 mi southeast of Yuma, Arizona. The southern end of the
Sign along El Camino Del Diablo in Barry M. Goldwater Air Force Range, near Wellton, Arizona, at spur road to Tinajas Altas.