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Moose (Alces alces) calf on a winter morning, Grand Teton 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
Acadia National Park, Mount Desert Island, Maine, New England, United States of America, North America
American pika (Ochotona princeps), San Juan National Forest, Colorado, United States of America, North America
Yellow-bellied marmot (yellowbelly marmot) (Marmota flaviventris), Mount Evans, Arapaho-Roosevelt National Forest, Colorado, United States of America, North America
Alpine waterfall with wildflowers at sunset, San Juan National Forest, Colorado, United States of America, North America
Cinnamon black bear (Ursus americanus), Yellowstone National Park, Wyoming, United States of America, North America
Photographer at Tenaya Lake in Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Colourful autumn trees flank the River Merced in Yosemite Valley, UNESCO World Heritage Site, California, 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
Smoky skies from a nearby wildfire turn the land orange at McWay Falls, California, United States of America, North America
Aura Borealis (Northern lights) in Denali Wilderness National Park, Alaska, United States of America, North America
An adult pigeon guillemot (Cepphus columba), with captured fish in Inian Pass, Cross Sound, Alaska, United States of America, North America
Adult brown bear (Ursus arctos) paw print in the mud at Chichigof Island, southeast Alaska, United States of America, North America
Two-track lane through fall aspens, near Telluride, Colorado, United States of America, North America
Horseshoe Bend, Colorado River, Page , Arizona, USA, North America
Sunset, Bradenton Beach, Anna Maria Island, Gulf Coast, Florida, United States of America (U.S.A.), North America
Lake Quinault, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Sea stacks and clouds, Bandon Beach, Oregon, United States of America, North America
Bull kelp seaweed, Bandon Beach, Oregon, United States of America, North America
Upper Falls, Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Rainbow cast by eruption of Riverside Geyser, Firehole River, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Lenticular clouds over Moose Pond, autumn, Grand Teton National Park, Wyoming, United States of America, North America
View down Zion Canyon from trail to Angels Landing at dawn, Zion National Park, Utah, 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
Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Western part of waterfall scar 120m high and 5km wide created by giant floods when Lake Missoula's ice dam was breached at end of Ice Age, Dry Falls, Grand Coulee, Washington state, United States of America, North America
Mauna Kea, Big Island, Hawaii, United States of America, North America
The Lake, Central Park, Manhattan, New York City, New York, United States of America, North America
High angle view of Central Park, cityscape looking North, Manhattan, New York City, New York, United States of America, North America
Northwest Glacier, Kenai National Fjord, Prince William Sound, Alaska, United States of America, North America
Wilson Peak in the winter, Uncompahgre National Forest, Colorado, United States of America, North America
Three bare trees on a hazy morning, Badlands National Park, South Dakota, United States of America, North America
Falls on the Big Bear Creek in the fall, San Miguel County, Colorado, United States of America, North America
Cascades on the partially frozen San Miguel River, San Miguel County, Colorado, United States of America, North America
Strange rock formations in the Roosevelt National Park, North Dakota, United States of America, North America
Carson Peak, reflected in the mist shrouded waters of Silver Lake on the June Lake Loop, Eastern Sierras, California, United States of America, North America
View from Cadillac Mountain, Acadia National Park, Mount Desert Island, Maine, New England, 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
Grizzly bear (Ursus arctos horribilis) sow and yearling cub, Glacier National Park, Montana, United States of America, North America
Sharp-tailed grouse (Tympanuchus phasianellus, previously Tetrao phasianellus), Custer State Park, South Dakota, United States of America, North America
Grizzly bear (Ursus arctos horribilis) with its tongue out, Glacier National Park, Montana, United States of America, North America
Watch Tower, Colorado River below, Desert View 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
Yellow hoodoos under a wispy cloud, San Juan Basin, New Mexico, United States of America, North America
The Mini Wave formation, Coyote Buttes Wilderness, Vermillion Cliffs National Monument, Arizona, United States of America, North America
Giant Sequoia (Sequoiadendron giganteum) in a sunlit woodland, Mariposa Grove, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Firefighting helicopter fighting the Dog Rock wildfire above the smoke filled forests of Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
River Tuolumne adjacent to Yosemite National Park, California, United States of America, North America
An adult American red squirrel (Tamiasciurus hudsonicus), on Chichagof Island, Alaska, United States of America, North America
Adult black-legged kittiwakes (Rissa tridactyla), South Marble Islands, Glacier Bay National Park, Alaska, United States of America, North America
Lynx (Lynx canadensis), in captivity, Sandstone, Minnesota, United States of America, North America
Mount Rainier, volcanic peak, and Emmons Glacier from summit icefield, Cascade Mountains, Washington State, United States of America (U.S.A.), North America
A green sea turtle (Chelonia mydas) on Laniakea Beach, North Shore, Oahu, Hawaii, United States of America, Pacific
West Rim at sunrise, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America (U.S.A.), North America
Mesa Arch at sunrise, Canyonlands National Park, Utah, United States of America (U.S.A.), North America
Geysers in Yellowstone Park, West Yellowstone, Montana, United States of America (U.S.A.), North America
Eruption of Riverside Geyser seen from Firehole River bridge, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
White-Crowned Sparrow (Zonotrichia leucophrys), Pahranagat National Wildlife Refuge, Nevada, United States of America, North America
Sawmill Geyser erupts, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, 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
Rocks and sea stacks at sunset, Ecola State Park, Oregon, United States of America, North America
Red Rock Canyon National Conservation Area, Las Vegas, Nevada, United States of America, North America
Cowboys pushing herd at Bison Roundup, Custer State Park, Black Hills, South Dakota, United States of America, North America
Wailuku River Rainbow Falls State Park on the Big Island, Hawaii, United States of America, North America
Morning mist rises in Badlands National Park, South Dakota, United States of America, North America
Red fox (Vulpes vulpes) in the snow, Grand Teton National Park, Wyoming, United States of America, North America
Big horn sheep, Glacier National Park, Montana, United States of America, North America
Wilson Peak with a dusting of snow in the fall, San Juan National Forest, Colorado, United States of America, North America
Red leaves on a big tooth maple branch in the fall, Zion National Park, Utah, United States of America, North America
Young brown bear (Ursus arctos) fishing for pink salmon at low tide in Pavlof Harbour, Chichagof Island, Southeast Alaska, United States of America, North America
Screw Auger Falls, Grafton Notch State Park, Maine, New England, United States of America, North America
West Mitten Butte, East Mitten Butte and Merrick Butte, The Mittens, Monument Valley Navajo Tribal Park, Arizona, United States of America, North America
Colorado chipmunk (Eutamias quadrivittatus) eating, San Juan National Forest, Colorado, United States of America, North America
Dusky grouse (blue grouse) (Dendragapus obscurus) hen, United States of America, North AmericaUSA
Kite Lake, Rio Grande National Forest, Colorado, United States of America, North America
Rosy paintbrush (split-leaf Indian paintbrush) (spliteaf Indian paintbrush) (Castilleja rhexifolia), San Juan National Forest, Colorado, United States of America, North America
Columbian ground squirrel (Citellus columbianus) feeding, Glacier National Park, Montana, United States of America, North America
Grizzly bear (Ursus arctos horribilis) in the rain, Glacier National Park, Montana, United States of America, North America
San Juan Mountains from Black Bear Pass Road, San Juan National Forest, Colorado, United States of America, North America
Tenaya Lake in Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Granite domes of Yosemite reflected in the calm waters of Tenaya Lake, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Half Dome at sunset, the mountain partially obscurred by smoke from the 2014 Dog Rock wildfire, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Humpback whale (Megaptera novaeangliae) breaching near the Glass Peninsula, southeast Alaska, United States of America, North America
Golden ripples in the Kettle River, Banning State Park, Minnesota, United States of America, North America
Lees ferry, Colorado River, Glen Canyon Recreational Area, Arizona, USA, North America
Valley of Ten Thousand Smokes with ignimbrite of 1912 eruption, Griggs volcano behind, Katmai National Park, Alaska, USA, North America
Sandstone Wave, Paria Canyon, Vermillion Cliffs Wilderness, Arizona, United States of America (U.S.A.), North America
Landscape, Mount Rainier National Park, Washington state, United States of America, North America
Elevated view of Doublet Pool, Firehole River and Castle Geyser, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
A stone brick museum is dwarfed by giant sequoia trees at Mariposa Grove after fresh snowfall, Yosemite National Park, UNESCO World Heritage Site, California, 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
Female tourist on boardwalk by the Morning Glory Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Theodore Roosevelt National Park North Unit, Watford, North Dakota, United States of America, North America
Black Bear (Ursus americanus) cub of the year climbing a tree, Yellowstone National Park, Wyoming, United States of America, North America
Manhattan and the Brooklyn Bridge from Empire-Fulton Ferry State Park, New York, United States of America, North America
North American timber wolf (Canis Lupus) howling in the snow in deciduous forest, Wolf Science Centre, Ernstbrunn, Austria, Europe
Bighorn sheep (Ovis canadensis) ram eating in the winter, 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
River bend in the Roosevelt National Park, North Dakota, United States of America, North America