Desert USA Guide to White Sands NM - The Tularosa Basin in the northern Chihuahuan Desert is a mountain-ringed valley encompassing one of the world's great natural wonders -- the glistening white sands of New Mexico. Here, giant, wave-like dunes of gypsum sand move across 275 square miles of desert creating the world's largest gypsum dune field. www.desertusa.com/wsand/index.html
