White Sands National Monument is a United States National Monument that is located in the southeastern region of the state of New Mexico. The monument contains the world's largest gypsum sand dune field -- over 200 square miles of fine white sand, formed by the prevailing winds into large ridge-like dunes.
History
White Sands became a national monument on January 18, 1933 by order of President Herbert Hoover. Efforts to preserve the area's brilliant gypsum dunes had begun in the More...