White Sands National Monument

The world�s largest gypsum dune field, the 275-square-mile dunes of White Sands National Monument are a geologic oddity more than 250 million years in the making. Located in Southern New Mexico, the popularity of the monument draws nearly half a million visitors each year to the National Park Service�s southwestern region. The area is protected from encroachment by the boundaries of the US Army�s White Sands Missile Range and houses no less than 144 species of birds, 20 unique mammals, and ...