Great Sand Dunes National ParkBadwater Basin, Death Valley National ParkMesquite Dunes, Death Valley National ParkRocky Mountain National Park, COTrona Pinnacles, CASan Juan National Forest, COSan Juan National Forest, COValley of the Gods, UTBig Morongo Canyon Preserve, CAValley of the Gods, UtahGold Butte, NVHawai'i Volcanoes National Park, HIAdobe Badlands, COBears Ears National Monument, UTQueen's Bath, HI