14124701 - The twisted roots of a dead pinyon tree in Mystery Valley in the Monument Valley Navajo Tribal Park in Arizona.14124634 - The King of Wings, a very fragile sandstone hoodoo in the badlands of the San Juan Basin in New Mexico, with storm clouds behind.14124309 - Sandstone caprocks on hoodoos in the colorful clay hills in the badlands of the San Juan Basin in New Mexico.14124026 - Tafoni or rock lace erosion patterns in the eroded Aztec sandstone of Valley of Fire State Park in Nevada.14124011 - Predawn fog over the tufa formations on Mono Lake in California.14124003 - Predawn fog over the tufa formations on Mono Lake in California. The Eastern Sierra Mountains are behind.14123723 - Red and white Aztec sandstone in Fire Canyon before sunrise in Valley of Fire State Park in Nevada. The white sandstone is called the Silica Dome. Its sand crystals are almost pure silica.14123634 - Tafoni or rock lace erosion patterns mimicking "The Scream" in the eroded Aztec sandstone of Valley of Fire State Park in Nevada.14123472 - Colorful eroded Aztec sandstone formations in Little Finland, Gold Butte National Monument, Nevada.14126307 - Mini-hoodoos and colorful chips of petrified wood in the badlands of the San Juan Basin in New Mexico.14125994 - Sandstone caprocks on hoodoos in the colorful clay hills in the badlands of the San Juan Basin in New Mexico.14125959 - Colorful eroded Aztec sandstone formations in Little Finland, Gold Butte National Monument, Nevada.14125949 - Predawn view of the tufa formations on Mono Lake in California. The Eastern Sierra Mountains are in the background.14125883 - Predawn view of the tufa formations on Mono Lake in California.14125849 - Foggy sunrise in the Monument Valley Navajo Tribal Park in Arizona.14125541 - Sandstone caprocks on hoodoos in the colorful clay hills in the badlands of the San Juan Basin in New Mexico.14125532 - Small arches in the colorful eroded Aztec sandstone of Valley of Fire State Park in Nevada.14125363 - A small yaksha guardian statue at the Temple of the Emerald Buddha complex in the Grand Palace grounds in Bangkok, Thailand. A yaksha or yak is a giant guardian spirit in Thai lore.14125237 - Colorful sunrise with ground fog in the Monument Valley Navajo Tribal Park in Arizona.14125168 - Sandstone caprocks on hoodoos in the colorful clay hills in the badlands of the San Juan Basin in New Mexico.14125000 - Windstone Arch in the FIre Cave in the eroded Aztec sandstone of Valley of Fire State Park in Nevada.14124850 - Foggy sunrise in the Monument Valley Navajo Tribal Park in Arizona.14124833 - Sandstone caprocks on hoodoos in the colorful clay hills in the badlands of the San Juan Basin in New Mexico.14124706 - Colorful sunrise over Elephant Butte & Spearhead Mesa in the Monument Valley Navajo Tribal Park in Arizona.14124547 - Small arches in the colorful eroded Aztec sandstone of Valley of Fire State Park in Nevada.14124465 - Colorful eroded Aztec sandstone formations in Little Finland, Gold Butte National Monument, Nevada.14124279 - A Thai soldier in ceremonial uniform on duty at the Grand Palace complex in Bangkok, Thailand.14124186 - An unnamed natural arch in the eroded Aztec sandstone of Valley of Fire State Park in Nevada.14124038 - Lichen-covered petrified wood in the badlands of the San Juan Basin in New Mexico.14124018 - Sandstone caprocks on hoodoos in the colorful clay hills in the badlands of the San Juan Basin in New Mexico.14123972 - Colorful crustose lichens on the eroded Aztec sandstone of Valley of Fire State Park in Nevada.14123852 - Bizarre landscape of eroded clay hills in the badlands of the San Juan Basin in New Mexico.14123672 - Tafoni or rock lace erosion patterns in the eroded Aztec sandstone of Valley of Fire State Park in Nevada.14123465 - Detail of the eroded Aztec sandstone of Valley of Fire State Park in Nevada.14123369 - Predawn view of the tufa formations on Mono Lake in California. The Eastern Sierra Mountains are in the background.
