White Sands National Park
White Sands National Park is an American national park located in the state of New Mexico. It is surrounded by the White Sands Missile Range. The park covers  in the Tularosa Basin. The park has a field of white sand dunes made of gypsum crystals. It is the largest of its kind on Earth, with a depth of about , dunes as tall as , and about 4.5 billion short tons (4.1 billion metric tons) of gypsum sand.