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Box elder (boxelder maple) (maple ash) (Acer negundo) with yellow leaves in the fall, Zion National Park, Utah, United States of America, North America
Sunrise at Mather Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Petroglyph near Chetro Ketl, Chaco Culture National Historical Park, UNESCO World Heritage Site, New Mexico, United States of America, North America
Sunrise in the badlands, Theodore Roosevelt National Park, North Dakota, United States of America, North America
Bison (Bison bison) bull covered with frost in the winter, Yellowstone National Park, Wyoming, United States of America, North America
Bull elk (Cervus canadensis) eating pine needles, Yellowstone National Park, Wyoming, United States of America, North America
Merced River in Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Bison (Bison bison), Yellowstone National Park, Wyoming, United States of America, North America
Black Bear (Ursus americanus), Yellowstone National Park, Wyoming, United States of America, North America
Grizzly Bear (Ursus arctos horribilis) sow and two cubs of the year or spring cubs standing, Yellowstone National Park, Wyoming, United States of America, North America
Grizzly Bear (Ursus arctos horribilis), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
View along the Virgin River to the Watchman, autumn, Canyon Junction, Zion National Park, Utah, United States of America, North America
The Organ (right) and the Tower of Babel (left), Arches National Park, Utah, USA
Elk, Yellowstone National Park, Wyoming, USA
Lake Quinault, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Landscape, Mount Rainier National Park, Washington state, United States of America, North America
Red-legged frog (Rana aurora), Olympic National Park, Washington state, United States of America, North America
Double Arch, Arches National Park, Utah, United States of America, North America
Mormon Pioneer Wagon, Capitol Reef National Park, Utah, United States of America, North America
Chromatic Pool and surrounds on a clear day, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Visitors, steam and vivid colours, Grand Prismatic Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Castle Geyser erupting, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Low clouds glowing orange at sunrise, Crater Lake National Park, Oregon, United States of America, North America
Uinta Ground Squirrel (Urocitellus armatus) among Mountain Bluebell (Mertensia ciliata), Yellowstone National Park, Wyoming, United States of America, North America
Pool in slick rock at dawn, Zion National Park, Utah, United States of America, North America
Mesa Verde National Park, Fire Temple, UNESCO World Heritage Site, Colorado, United States of America, North America
Bare tree among boulders at sunrise, Joshua Tree National Park, California, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, United States of America, North America
Yosemite Valley reflected in the Merced River at Valley View, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Ranch and Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Twilight at Tioga Lake, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Yosemite Valley choked with smoke from the Dog Rock Wildfire, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
The Three Brothers mountains reflected in the tranquil waters of the River Merced, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Grizzly Bear (Ursus arctos horribilis), yearling cub, Yellowstone National Park, Wyoming, United States of America, North America
Old Faithful geyser blowing, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Forest fire, Glacier National Park, Montana, United States of America, North America
Grizzly Bear (Ursus arctos horribilis), yearling cub, Yellowstone National Park, Wyoming, United States of America, North America
Elk (Cervus canadensis) calf among wildflowers, Jasper National Park, Alberta, Canada, North America
Tetons and Jenny Lake, Grand Teton National Park, Wyoming, USA
Crater Lake National Park, Oregon, USA
Tourist taking a photograph of Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Upper Falls, Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Morning Glory Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Brown bear at Brooks River, Brooks Camp, Katmai National Park, Alaska, United States of America, North America
Bison (Bison bison) cow and calf, Yellowstone National Park, Wyoming, United States of America, North America
North American elk (Cervus Elaphus) and sand dunes, Great Sand Dunes National Park and Preserve, Sangre Cristo Mountains in background, Colorado, United States of America, North America
Grizzly bear (Ursus arctos horribilis) eating berries, Glacier National Park, Montana, United States of America, North America
Blacktail prairie dog (Cynomys ludovicianus) feeding, Theodore Roosevelt National Park, North Dakota, United States of America, North America
Male yellow-headed blackbird (Xanthocephalus xanthocephalus) dislaying, Yellowstone National Park, Wyoming, United States of America, North America
Swiftcurrent Lake, Many Glacier Area, Glacier National Park, Montana, United States of America, North America
Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bison (Bison bison) cow and calf, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Unicorn and Cathedral Peaks reflected in the Tuolumne River, Tuolumne Meadows, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Yellowstone River and Falls, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bison (Bison bison) calf, Yellowstone National Park, Wyoming, United States of America, North America
Hiking the Pa'rus trail, Zion National Park, Utah, United States of America, North America
Sand dunes at Stovepipe Wells, Death Valley National Park, California, USA, North America
Geothermal steam, frosted trees and snow-free hot ground in Norris Basin in winter, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America
Colorado River, Canyonlands National Park, Utah, United States of America, North America
Shafer Trail Road, Canyonlands National Park, Utah, United States of America, North America
Snow clearing equipment at a tunnel through sunlit red rock in winter, Peekaboo Loop Trail, Bryce Canyon National Park, Utah, United States of America, North America
Delicate Arch at dusk, Arches National Park, Utah, United States of America, North America
Backlit hoodoos and Thor's Hammer, Bryce Canyon National Park, Utah, United States of America, North America
Gunnison River deep in the canyon from Kneeling Camel View Point, Black Canyon of the Gunnison National Park, Colorado, United States of America, North America
Badger (Taxidea taxus), Yellowstone National Park, Wyoming, United States of America, North America
Cracks in eroded badlands, Badlands National Park, South Dakota, United States of America, North America
Yellow, orange, and red leaves on a big tooth maple (Acer grandidentatum) in the fall, Zion National Park, Utah, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, United States of America, North America
Grizzly bear (Ursus arctos horribilis), Glacier National Park, Montana, United States of America, North America
Sunrise at Mather Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Hoodoos, on the Queens Garden Trail, Bryce Canyon National Park, Utah, United States of America, North America
Blacktail prairie dog (Cynomys ludovicianus), Theodore Roosevelt National Park, North Dakota, United States of America, North America
Fog mingling with evergreen trees with some cottonwoods, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Firehole Spring, Firehole Lake Drive, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Chapel of the Transfiguration, Grand Teton National Park, Wyoming, United States of America, North America
Smoke from the Dog Rock wildfire in Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Mist surrounding the forest below Unicorn Peak in autumn, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Giant redwood (sequioa) trees in Redwood National Park, Northern California, United States of America, North America
Traffic on Trans Canada Highway 1, Canadian Rockies, Banff National Park, UNESCO World Heritage Site, Alberta, Canada, North America
Grizzly Bear (Ursus arctos horribilis), yearling cub, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Bison (Bison bison), Theodore Roosevelt National Park, North Dakota, United States of America, North America
Sunset over a warm river in winter, Yellowstone National Park, Wyoming, USA
Acadia national park coastline, Maine, New England, USA, North America
Crater Lake and Wizard Island at dawn, Crater Lake National Park, Oregon, United States of America, North America
Devil's Thumb, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North  America
Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Cinnamon black bear (Ursus americanus) hangs on a chokeberry branch in autumn (fall), Grand Teton National Park, Wyoming, United States of America, North America
Dead tree trunks, Canary Spring, top Main Terrace, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
The Moulton Barn on Mormon Row with the Grand Tetons range in background, Antelope Flats Road, Grand Teton National Park, Wyoming, United States of America, North America
Sunset at Crater Lake with Wizard Island, Crater Lake National Park, Oregon, United States of America, North America
Shi Shi Beach, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Copy of The Declaration of Independence in Free Quarker Meeting House, Independence National Historical Park, Philadelphia, Pennsylvania, United States of America, North America
Woman hiking near Mount Olympus and Blue Glacier, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Black bear (Ursus americanus) sow and two yearling cubs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Isis Temple picks up the first light of the day as the sun rises on the Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, United States of America, North America
Pool in slick rock reflecting first light on a sandstone hill, Zion National Park, Utah, United States of America, North America