If "Frozen" traded ice for sand, the result would look a lot like White Sands National Park in New Mexico, United States—cool, white dunes that deceive the eye at first glance. It became a national monument on this day in 1933, established to protect a rare geological phenomenon: the world"s largest gypsum dunefield. These dunes were formed from gypsum crystals that broke down over thousands of years, creating bright waves that stay cool even in summer.
Bing Wallpaper Gallery
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