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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
Snow-covered mountain in the winter, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Delicate Arch with rising sun, Arches National Park, Utah, United States of America, North America
Sunset reflections on Tuolumne Meadows in Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Bryce Canyon, Bryce Canyon National Park, Utah, United States of America, North America
Sandy beach, Fort Jefferson, Dry Tortugas National Park, Florida, United States of America, North America
Canyonlands National Park, Utah, United States of America, North America
Visitors in the Giant Forest, Sequoia National Park, California, United States of America (U.S.A.), North America
Christine Falls, Mount Rainier National Park, Washington state, United States of America, North America
Eruption of Riverside Geyser, Firehole River, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Woman drawing a heart in the sand, Sand Dunes Point, Death Valley National Park, California, United States of America, North America
Mount Moran reflected in String Lake, Grand Teton National Park, 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
Black bear (Ursus americanus) sow, Yellowstone National Park, 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
Mountain Bluebird (Sialia currucoides) male, Yellowstone National Park, Wyoming, 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
Saguaro cactus, Saguaro National Park, Tuscon Mountain District west unit, Tucson, Arizona, United States of America, North America
Red fox (Vulpes vulpes) (Vulpes fulva), Denali National Park and Preserve, Alaska, United States of America, North America
Bighorn sheep (Ovis canadensis) 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
San Jose de Tumacacori Mission, established in 1691, Tumacacori National Historic Park, New Mexico, United States of America, North America
Coyote (Canis latrans) in the snow, Yellowstone National Park, Wyoming, United States of America, North America
Climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, United States of America, North America
Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America
Cathedral Beach, Yosemite National Park, UNESCO World Heritage Site, California, 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
Couple hiking below Mount Baker, Rocky Mountain National Park, Colorado, United States of America, North America
Tent illuminated under the night sky, Rocky Mountain National Park, Colorado, United States of America, North America
Summit of Longs Peak, a mountain above 14000 feet, known as a 14er, Rocky Mountain National Park, Colorado, United States of America, North America
Backlit sandstone hoodoos in Bryce Amphitheater, Bryce Canyon National Park, Utah, United States of America, North America
El Capitan, a 3000 feet granite monolith, with the Merced River flowing through the flooded meadows of Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, Sierra Nevada, California, United States of America, North America
Queen Nefertiti rock formation, Arches National Park, Utah, United States of America, North America
Juniper in the badlands, Capitol Reef 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
Mesa Arch sunrise, Island in the Sky, Canyonlands National Park, Utah, United States of America, North America
Grand View Point overlook and juniper tree, Island in the Sky, Canyonlands National Park, Utah, United States of America, North America
Rialto Beach, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Hoary marmot (Marmota caligata), Glacier National Park, Montana, United States of America, North America
Gifford Farm House, Fruita, Capitol Reef National Park, Utah, United States of America, North America
Puebloans mud and stone granaries, Aztex Butte, Canyonlands National Park, Utah, United States of America, North America
Zabriskie Point, Death Valley National Park, California, United States of America, North America
Prairie smoke (purple aven) (old man's whiskers) (long-plumed avens) (Geum triflorum), Yellowstone National Park, Wyoming, United States of America, North America
Grizzly bear (Ursus arctos horribilis) pushing over a dead tree, Glacier National Park, Montana, United States of America, North America
Grizzly bear (Ursus arctos horribilis) walking, 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
Desert View Watchtower, Grand Canyon National Park, UNESCO World Heritage Site, Northern Arizona, United States of America, North America
Bull elk (Cervus canadensis), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Hellen Lake with Mount Lassen, 3187 m, in the background, Lassen Volcanic National Park, California, United States of America, North America
Elk (Cervus canadensis) calf nursing, Yellowstone National Park, Wyoming, United States of America, North America
El Capitan rising above Yosemite Valley from Tunnel View, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
The Subway, Zion National Park, Utah, 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
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
The Margerie Glacier, whose face is retreating, in Glacier Bay National Park, Southeast Alaska, United States of America
Painted Desert, Death Valley National Park, California, United States of America, North America
Taking a photo of Canyon overlook, Zion National Park, Utah, United States of America, North America
Mesa Arch, Canyonlands National Park, Utah, United States of America (U.S.A.), North America
Sol Duc Falls, Olympic National Park, UNESCO World Heritage Site, 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
Highway 190 through Death Valley National Park, California, United States of America, North America
Balanced Rock at dusk, Arches National Park, Utah, United States of America, North America
Sapphire Pool, Biscuit Basin, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, 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
Bison, Theodore Roosevelt National Park North Unit, Watford, North Dakota, United States of America, North America
Early morning, Bryce Canyon National Park, Utah, United States of America, North America
Bison (Bison bison) calf, Yellowstone National Park, Wyoming, United States of America, North America
American Robin (Turdus migratorius), Yellowstone National Park, Wyoming, United States of America, North America
Male Red-Winged Blackbird (Agelaius phoeniceus), Yellowstone National Park, Wyoming, United States of America, North America
A sandstone butte in Chaco Culture National Historical Park scenery, New Mexico, United States of America, North America
Morning mist rises in Badlands National Park, South Dakota, United States of America, North America
Badger (Taxidea taxus), 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
Bison (Bison bison) cow in the winter, Yellowstone National Park, Wyoming, United States of America, North America
North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Black bear (Ursus americanus), Yellowstone National Park, Wyoming, United States of America, North America
Saguaro Cactus (Camegiea Gigantea), West-Tucson Mountain District, Saguaro National Park, Arizona, 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
Bull elk (Cervus canadensis) feeding in the winter, Yellowstone 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
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
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
Climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, United States of America, North America
Desert cottontail (Sylvilagus auduboni), Wind Cave National Park, South Dakota, United States of America, North America
View from Cape Royal at dusk, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Rock formations in The Needles, Canyonlands National Park, Utah, United States of America, North America
The Grandstand in Racetrack Valley, a dried lake bed known for its sliding rocks on the Racetrack Playa, Death Valley National Park, 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
Checkerboard Mesa, formed of Navajo sandstone, 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
Pinwheel Geyser, Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mesa Arch, Island in the Sky, Canyonlands National Park, Utah, United States of America, North America
Coyote (Canis latrans), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America