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Black bear (Ursus americanus) coming down from a tree, Yellowstone National Park, Wyoming, United States of America, North America
The Three Brothers reflected in the River Merced, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Cathedral Peak reflected in seasonal ponds on Tuolumne Meadows, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Bison (Bison bison) calf in front of its mother, Yellowstone National Park, Wyoming, United States of America, North America
Pine tree and sandstone at dawn with pink clouds, Zion National Park, Utah, 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
Solitary sandpiper (Tringa solitaria), Katmai National Park and Preserve, Alaska, United States of America, North America
Mossy tree and hiker, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Lewis River meanders in the early morning;, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Moss covered maple trees, Dosewallips campground, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Courthouse Towers at dawn, Arches National Park, Utah, United States of America, North America
Independence Hall, Independence National Historical Park, Old City District, Philadelphia, Pennsylvania, United States of America, North America
Badlands at first light, Badlands National Park, South Dakota, United States of America, North America
Bryce Point, Bryce Canyon National Park, Utah, United States of America, North America
Pink clouds along the Teton Range at sunset, Grand Teton National Park, Wyoming, 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
Riverside Walk in Virgin River Canyon, north of Temple of Sinawava, Zion National Park, Utah, United States of America, North America
Sunset at Delicate Arch, Arches National Park, Moab, 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 the Bryce Canyon at sunset, 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
Bison in the Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Palette Spring, Mammoth Hot Springs, 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
Mound Terrace, Mammoth Hot Springs, 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
Panoramic photo of Beauty Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Palette Spring, Mammoth Hot Springs, 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
The Bright Angel Trail, beneath the South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America (U.S.A.), North America
Fremont petroglyphs, Capitol Reef National Park, Fruita, Utah, United States of America, North America
Mesa Arch, Canyonlands National Park, 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
Pine tree on the exposed granite rock at Sentinel Dome, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Bison (Bison bison) calf, 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
Firehole Spring, 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
Lake Quinault, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Licorice fern (Polypodium glycyrrize), near Dosewallips, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Cascade, Great Smoky Mountains National Park, UNESCO World Heritage Site, Tennessee, United States of America, North America
Pecos National Historical Park, New Mexico, United States of America, North America
Man, 30 years old, fishes on Ross Lake, North Cascades National Park, Washington, United States of America, North America
Road through the Badlands National Park, South Dakota, United States of America, North America
Hiking in Bryce Canyon National Park Utah, 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
Alpine shooting star (Dodecatheon alpinum), Yellowstone National Park, Wyoming, United States of America, North America
Grand View Point Overlook, Canyonlands National Park, Utah, United States of America, North America
View early morning from Ponderosa Point, Bryce Canyon National Park, Utah, United States of America, North America
Mount Moran, Grand Teton 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
Brown-headed cowbird (Molothrus ater), Yellowstone National Park, Wyoming, United States of America, North America
Old Faithful Geyser, 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
Mammoth Hot Springs terraces, 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
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
Lamplugh Glacier in Glacier Bay National Park, southeast Alaska, United States of America, North America
Bison (Bison bison), Theodore Roosevelt National Park, North Dakota, 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
Reflection of the Teton range, Bradley Lake, Grand Teton National Park, Wyoming, United States of America, North America
Zion Canyon National Park, Utah, 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
Grand Geyser erupting, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Lassen Volcanic National Park, California, United States of America, North America
Landscape, Joshua Tree National Park, California, United States of America, North America
Badlands National Park, South Dakota, 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
Grizzly bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, 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
Close up of the pinnacles, beautiful rock formations of Bryce Canyon National Park at sunset, Utah, 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
John and Bartha Moulton Homestead, Mormon Row Historic District, 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
Minor eruption from Steamboat Geyser, Norris Geyser Basin, 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
Devil's Thumb and Palette Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Thumb paint pots, West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
View from the upper section of the Bright Angel Trail, beneath the South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America (U.S.A.), North America
Capitol Reef National Park, Utah, United States of America, North America
Arches National Park, Utah, United States of America, North America
Yosemite Valley beneath pink twilight skies, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Early morning mist over Tuolumne Meadows, 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
Bicycling in Grand Teton National Park, Wyoming, United States of America, North America
Old Faithful Geyser, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
El Capitan, Yosemite National Park, California, USA, North America
North Dome and Basket Dome with snow covered Mount Hoffmann beyond, Yosemite National Park, UNESCO World Heritage Site, California, 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
Looking east from the Deer Park, Olympic National Park, UNESCO World Heritage Site, Washington State, 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
Lassen Volcanic National Park, California, 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