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Sand dunes in the Great Sand Dunes National Park and Preserve, with Sangre Cristo Mountains in the background, Colorado, United States of America, North America
Tenaya Lake on the Tioga Pass, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America
Sunset at Locust Point, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Checkerboard Mesa, formed of Navajo sandstone, Zion National Park, Utah, United States of America, North America
The Spectacles (North and South Windows), Arches National Park, Moab, Utah, United States of America, North America
Two bison (Bison bison) calves, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Gifford Farm House, Fruita, Capitol Reef National Park, Utah, United States of America, North America
Tourists at Mather Point, early morning, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Bison (Bison bison) cows sparring, Yellowstone National Park, Wyoming, United States of America, North America
Grizzly bear (Ursus arctos horribilis) walking, Yellowstone National Park, Wyoming, United States of America, North America
The Three Brothers reflected in the Merced River in Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Black bear (Ursus americanus) in the snow, Yellowstone National Park, Wyoming, United States of America, North America
Badlands layers on a hazy morning, Badlands National Park, South Dakota, United States of America, North America
The Subway, Zion National Park, Utah, United States of America, North America
Bridalveil Fall in spring Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
The Narrows of the Virgin River in the fall, Zion National Park, Utah, United States of America, North America
Unicorn Peak reflected in Tuolumne Grove seasonal ponds, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Emerald Spring in Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yosemite Falls beyond a flooded meadow in Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Fresh snow on evergreens, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yosemite Falls and Half Dome rock, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Shane Cabin, Homestead, near Kelly, Grand Teton National Park, Wyoming, United States of America, North America
Canyonlands National Park, Utah, United States of America, North America
Echinus Geyser, erupts every hour, Norris Basin, Yellowstone National Park, Wyoming, USA
Blue Mesa, Petrified Forest National Park, Arizona, USA
Sand dunes, Death Valley National Park, California, USA, North America
Tourists in North Window, Arches National Park, Utah, USA, North America
Mesa Arch, Canyonlands National Park, Utah, United States of America (U.S.A.), North America
View from Yavapai Point, in evening light, Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America (U.S.A.), North America
Christine Falls, Mount Rainier National Park, Washington state, United States of America, North America
Sunset lights The Watchman, Virgin River overlook in winter, Zion National Park, Utah, United States of America, North America
Moulton Ranch, Grand Teton National Park, Wyoming, United States of America (U.S.A.), North America
Balanced Rock at dusk, Arches National Park, Utah, United States of America, North America
Excelsior Pool, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone River in winter, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Slump Block area in Theodore Roosevelt National Park North Unit, Watford, North Dakota, United States of America, North America
Water, trees, and mountains viewed from the waters of Lake Quinault, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Bison (Bison bison) calf, Yellowstone National Park, Wyoming, United States of America, North America
Mountain Bluebird (Sialia currucoides) male, Yellowstone National Park, Wyoming, United States of America, North America
Pueblo Bonito Chaco Culture National Historical Park scenery, New Mexico, United States of America, North America
Red leaves on a big tooth maple (Acer grandidentatum) near a Ponderosa pine (Pinus ponderosa) trunk in the fall, Zion National Park, Utah, United States of America, North America
The enormous face of El Capitan towering above Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Johns Hopkins Glacier calving, Fairweather Range, Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
Majestic view of Yosemite Valley from Tunnel View, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Mountains and tundra in fall color, Denali National Park and Preserve, Alaska, United States of America, North America
Lone Ponderosa pine atop a sandstone formation at first light, Zion National Park, Utah, United States of America, North America
Juniper in the badlands, Capitol Reef National Park, Utah, United States of America, North America
Panoramic photo of Court of the Patriarchs, Abraham Peak, Isaac Peak, Mount Moroni and Jacob Peak, Zion National Park, Utah, United States of America, North America
Fremont Indian petroglyphs in Capitol Reef National Park, Utah, United States of America, North America
Thor's Hammer in early morning from Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America
Abyss Pool, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Abyss Pool, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
South Kaibab Trailhead overlook, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Dead tree and view of canyon from the South Rim at Hopi Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America (U.S.A.), North America
Bison (Bison bison) bull, Yellowstone National Park, Wyoming, United States of America, North America
Male Williamson's sapsucker (Sphyrapicus thyroideus) poking out of its nest hole, Yellowstone National Park, Wyoming, United States of America, North America
El Capitan reflected in the Merced River in Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Pronghorn (Antilocapra americana) buck, Yellowstone National Park, Wyoming, United States of America, North America
Excelsior Geyser Crater, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bull elk (Cervus canadensis) in the snow, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Half Dome from the Merced River, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Elk (Cervus canadensis) near Lake Village, Yellowstone National Park, Wyoming, United States of America, North America
Firehole Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Two Grizzly Bear (Ursus arctos horribilis) cubs of the year or spring cubs playing, Yellowstone National Park, Wyoming, United States of America, North America
Tenaya Lake on the Tioga Pass in Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Coyote (Canis latrans) in the snow in winter, Yellowstone National Park, Wyoming, United States of America, North America
Snow-covered mountain in the winter, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Detail of a totem pole on display at Sitka National Historical Park in Sitka, Baranof Island, Southeast Alaska, United States of America
Temples and Towers of the Virgin, Zion National Park, Utah, United States of America, North America
Autumn tundra landscape, Broad Pass, Denali National Park, Alaska, USA
Lower Falls, Grand Canyon, Yellowstone National Park, Wyoming, USA
Mount Moroni and the Virgin River in autumn, Zion National Park, Utah, USA
Sol Duc Falls, Olympic National Park, UNESCO World Heritage Site, Washington state, United States of America, North America
Regenerating trees reflected in a frosty and misty Lewis River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grand Geyser erupts and steam blocks the sun, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Man looking at Mount Rainier from trail, Mount Rainier National Park, Washington State, 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
Two Bison (Bison bison) bulls sparring, Yellowstone National Park, Wyoming, United States of America, North America
Female Mountain Bluebird (Sialia currucoides) with food at the nest, Yellowstone National Park, Wyoming, United States of America, North America
Grizzly bear (Ursus arctos horribilis) sow, Yellowstone National Park, Wyoming, United States of America, North America
The Tetons at dawn after a fresh snow, Grand Teton National Park, Wyoming, United States of America, North America
Bison (Bison bison) cow in the winter, Yellowstone National Park, Wyoming, United States of America, North America
The Teton Range at first light after a fresh snow, Grand Teton National Park, Wyoming, United States of America, North America
Hikers on the sand dunes, Great Sand Dunes National Park and Preserve, with Sangre Cristo Mountains in the background, Colorado, United States of America, North America
North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Bryce Point, Bryce Canyon National Park, Utah, United States of America, North America
Black bear (Ursus americanus), Yellowstone National Park, Wyoming, United States of America, North America
Half Dome and Yosemite Valley from Glacier Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
The Teton Range at dawn after a fresh snow, Grand Teton National Park, Wyoming, United States of America, North America
Pine growing on a sandstone hill, Zion National Park, Utah, United States of America, North America
Coyote (Canis latrans) in the snow, Yellowstone National Park, Wyoming, United States of America, North America
A cowboy wrangler leads a pack train of horses up the South Kaibab Trail in Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Johns Hopkins Inlet, Fairweather Range, Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
Sunrise over El Capitan and Yosemite Valley from Tunnel View, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
The arch at White Tank Campground, Joshua Tree National Park, California, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Fajada Butte, UNESCO World Heritage Site, New Mexico, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Hungo Pavi, UNESCO World Heritage Site, New Mexico, United States of America, North America
Buck Canyon Viewpoint, Canyonlands National Park, Utah, United States of America, North America
Barn, Thomas Alma and Lucille Moulton Homestead, Mormon Row Historic District, Grand Teton National Park, Wyoming, United States of America, North America