The Mojave National Preserve features gigantic, singing sand dunes, which have existed for thousands of years, and they are ...

Its 1.6 million acres contain spectacular examples of three out of four North American desert ecosystems: Sonoran, Mojave and Great Basin. It has elevations ranging from 800 to almost 8,000 feet above ...

Covering more than 25 million acres — about a fourth of California — the geologically diverse California Desert Conservation Area includes sand dunes, canyons ... and establishing the 1.6-million-acre ...