At the southern end of New Mexico sits a 275-square-mile (710-square-km) field of white sand dunes composed of gypsum crystals.

Because gypsum dissolves in water, fields of this type are rare and typically erode over time. But New Mexico's dunes sit in a basin that does not drain. Instead, water collects in pools that eventually evaporate, creating beautiful gypsum formations that are a popular draw for Instagrammers.

For those interested in visiting, the easiest entry point is the White Sands National Monument, established in 1934 by President Herbert Hoover. Those unable to see the dunes in person can explore the scenic landscape through the lens of other Instagrammers by tapping the blue location link above.

Photo by @nickspud.
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