a) White Sands, New Mexico

White Sands National Park in New Mexico is famous for its vast dunes of white gypsum sand. The park is located in the Tularosa Basin and features the world’s largest gypsum dunefield. The striking white dunes cover a large area and create a surreal and beautiful landscape. The gypsum sand is soft and cool to the touch, unlike typical desert sand, and the park’s unique ecosystem supports a variety of plants and wildlife adapted to the gypsum dunefield.