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Pine tree and sandstone at dawn with pink clouds, Zion National Park, Utah, United States of America, North America
Old Faithful Geyser, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mammoth Hot Springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grizzly Bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, United States of America, North America
Rainbow, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Trees in mist in Yosemite Valley at dawn, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Lamplugh Glacier in Glacier Bay National Park, southeast Alaska, United States of America, North America
Red Canyon in Dixie National Forest, Utah, United States of America, North America
Wooden boardwalk and cyanobacteria thermophile formations on Geyser Hill, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Red Fox (Vulpes vulpes) (Vulpes fulva) with prey, Yellowstone National Park, Wyoming, United States of America, North America
The northern part of the Roosevelt National Park, North Dakota, United States of America, North America
Road through the Badlands National Park, South Dakota, United States of America, North America
Panoramic photo of view in late evening from Cape Royal, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
White Mountains National Forest, New Hampshire, New England, United States of America, North America
View early morning from Ponderosa Point, Bryce Canyon National Park, Utah, United States of America, North America
John and Bartha Moulton Homestead, Mormon Row Historic District, Grand Teton National Park, Wyoming, United States of America, North America
Bison in the Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bison herd in early morning sun, Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
View of Lower Falls from Red Rock Point, Grand Canyon of the Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Old Faithful Geyser erupting in summer evening light, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Devil's Thumb and Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Riverside Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Black Pool, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Madison River valley near Madison, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Blue Funnel spring, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Elephant heads (little red elephants) (Pedicularis groenlandica), San Juan National Forest, Colorado, United States of America, North America
Fremont petroglyphs, Capitol Reef National Park, Fruita, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Ute rock art petroglyphs, Arches National Park, Utah, United States of America, North America
Black bear (Ursus americanus) coming down from a tree, Yellowstone National Park, Wyoming, United States of America, North America
Colourful sunset above the mountainous terrain of Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Houston skyline at dawn from Eleanor Tinsley Park, Texas, United States of America, North America
Granite mountains reflected in Tenaya Lake, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Jenny Lake, Grand Teton National Park, Wyoming, United States of America, North America
Wild blue flax (Linus perenne lewisii), Grand Teton National Park, Wyoming, United States of America, North America
Island in the Sky, clifftop plateau below Shafer Canyon Overlook at sunset, Canyonlands National Park, Utah, United States of America, North America
Sunset over the Hoh River, Hoh Valley, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Mossy tree and hiker, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Twin Falls detail, Yankee Boy Basin, Uncompahgre National Forest, Colorado, United States of America, North America
El Capitan and Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Snow-covered mountains in the spring from Trail Ridge Road, Rocky Mountain National Park, Colorado, United States of America, North America
Pecos National Historical Park, New Mexico, United States of America, North America
Coastline in Cabrillo National Monument, San Diego, California, United States of America, North America
Tide pool area in Cabrillo National Monument, San Diego, California, United States of America, North America
Tuzigoot National Monument, Clarkdale, Arizona, United States of America, North America
Kiva in foreground, Step House Ruin, dates from 626AD to 1226AD, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
Hickman Bridge Trail, Navajo Dome, Capitol Reef National Park, Utah, United States of America, North America
Close up of the pinnacles, beautiful rock formations of Bryce Canyon National Park at sunset, Utah, United States of America, North America
Outlook for the pinnacles in the beautiful rock formations of Bryce Canyon National Park, Utah, United States of America, North America
View of Delicate Arch, Arches National Park, Utah, United States of America, North America
Minor eruption from Steamboat Geyser, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Panoramic photo of Beauty Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Castle Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Landscape in Northern Yellowstone from Grand Loop Road, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Kepler Cascades, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Thermal springs, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Oblong Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Clouds reflected in a tarn at Stony Pass, San Juan National Forest, Colorado, United States of America, North America
Alpine hills and rugged peaks, Rio Grande National Forest, Colorado, United States of America, North America
Capitol Reef National Park, Utah, United States of America, North America
Tuolumne Meadows at sunset, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Upper Falls, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grand Teton National Park, Wyoming, United States of America, North America
Bicycling in Grand Teton National Park, Wyoming, United States of America, North America
Devil's Tower, Devil's Tower National Monument, Wyoming, United States of America, North America
Devil's Tower, Devil's Tower National Monument, Wyoming, United States of America, North America
Cascade, Great Smoky Mountains National Park, UNESCO World Heritage Site, Tennessee, United States of America, North America
Grand Geyser erupting, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Independence Hall, Independence National Historical Park, Old City District, Philadelphia, Pennsylvania, United States of America, North America
A sandstone butte in Chaco Culture National Historical Park scenery, New Mexico, United States of America, North America
Landscape, Joshua Tree National Park, California, United States of America, North America
Coastline in Cabrillo National Monument, San Diego, California, United States of America, North America
Tetons at dawn in the winter, Grand Teton National Park, Wyoming, United States of America, North America
Badlands National Park, South Dakota, United States of America, North America
Badlands National Park, South Dakota, United States of America, North America
Aerial photo of Grand Canyon from Papillon Helicopter, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Market Square Park, Houston, Texas, United States of America, North America
Grand View Point Overlook, Canyonlands National Park, Utah, United States of America, North America
Jenny Lake, Grand Teton National Park, Wyoming, United States of America, North America
Jenny Lake, Grand Teton National Park, Wyoming, United States of America, North America
Gibbon Falls, Yellowstone National Park, Wyoming, UNESCO World Heritage Site, Wyoming, United States of America, North America
Cistern Spring, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Clear Lake, San Juan National Forest, Colorado, United States of America, North America
Mammoth Hot Springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Firehole Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
A view of Yosemite Falls from the Valley Visitor Center in Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Zion Canyon National Park, Utah, United States of America, North America
Arches National Park, Utah, United States of America, North America
Castle Geyser steam blocks sun, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Pines, low clouds and mountains, autumn (fall) at Phelps Lake, Grand Teton National Park, Wyoming, United States of America, North America
Red Canyon in Dixie National Forest, Utah, United States of America, North America
Buckingham Fountain in Grant Park, Chicago, Illinois, United States of America, North America
Lassen Volcanic National Park, California, United States of America, North America
Lonely garner in a field, Badlands National Park, South Dakota, United States of America, North America
Sandstone domes and clouds, Capitol Reef National Park, Utah, United States of America, North America
Sunrise from Bryce Point, Bryce Canyon National Park, Utah, United States of America, North America
Chaco ruins in the Chaco Culture National Historic Park, UNESCO World Heritage Site, New Mexico, United States of America, North America
Panoramic photo of sunset over the Cathedral Group of mountains, Grand Teton National Park, Wyoming, United States of America, North America
Jenny Lake, Grand Teton National Park, Wyoming, United States of America, North America
View of Yellowstone River and Hayden Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America