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Rim tree and hoodoos with a cloudy winter's sunrise, Rim Trail near Inspiration Point, Bryce Canyon National Park, Utah, United States of America, North America
Weakly lit snowy rim, pine trees and hoodoos with cloudy sky, near Agua Canyon, Bryce Canyon National Park, Utah, United States of America, North America
Teton range at first light in winter, Grand Teton National Park, Wyoming, United States of America, North America
Bull elk (Cervus canadensis) in snow, Yellowstone National Park, Wyoming, United States of America, North America
Mesa Arch at sunrise, Canyonlands National Park, Island In The Sky District, Utah, United States of America, North America
Eastern section of Zion National Park, Utah, United States of America, North America
Sunrise at the Temple of the Sun in Cathedral Valley, Capitol Reef National Park, Utah, United States of America, North America
Frozen bison (Bison bison), running across snow, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Dead lodgepole pine trunks, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Blue Star Spring, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grand Prismatic Spring in winter, Lower Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park area in winter, Wyoming, United States of America, North America
Cholla Cactus Garden, Joshua Tree National Park, California, United States of America, North America
Tower Arch, Klondike Bluffs, Arches National Park, Utah, United States of America, North America
Bull elk (Cervus canadensis), Rocky Mountain National Park, Colorado, United States of America, North America
Desert cottontail (Sylvilagus auduboni), Wind Cave National Park, South Dakota, United States of America, North America
Uinta Ground Squirrel (Urocitellus armatus) adult and young, Yellowstone National Park, Wyoming, United States of America, North America
One of the few petrified trees almost intact, The Onyx Bridge in Petrified Forest National Park, Arizona, United States of America, North America
Holgate Glacier, Kenai Fjords National Park, Alaska, United States of America, North America
Mount McKinley (Mount Denali), Denali National Park and Preserve, Alaska, United States of America
Brown Bear (Ursus arctos horribilis) sow and two cubs, Katmai National Park and Preserve, Alaska, United States of America, North America
Evening light, reflection of Teton Range in icy pond, Schwabacher's Landing, Grand Teton National Park, Wyoming, United States of America, North America
Looking north from Dante's View in Death Valley National Park, California, United States of America, North America
Desert collared lizard (Crotaphytus bicinctores), Mosaic Canyon Trail, Death Valley National Park, California, United States of America, North America
Bull Elk (Cervus canadensis) in snow, Yellowstone National Park, Wyoming, United States of America, North America
Bighorn Sheep (Ovis canadensis) ram in the snow, Yellowstone National Park, Wyoming, United States of America, North America
The colourful Grand Canyon of the Yellowstone, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Sunrise eruption of Old Faithful geyser with stream, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Sunrise at Mesa Arch with sunburst, Canyonlands National Park, Utah, United States of America, North America
Swiftcurrent Lake at sunset, Glacier National Park, Montana, United States of America, North America
Dawn at Lake Sherburne, Glacier National Park, Montana, United States of America, North America
Dawn at Swiftcurrent Lake, Glacier National Park, Montana, United States of America, North America
Merced River, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Hurricane Ridge, Olympic National Park, UNESCO World Heritage Site, Washington, United States of America, North America
A permanent springfed pool near the salt pans at Badwater Basin, 282ft below sea level and the lowest place in North America, Death Valley National Park, California, United States of America, North America
Petroglyph near Chetro Ketl, Chaco Culture National Historical Park, New Mexico, United States of America, North America
Cholla Cactus Garden, Joshua Tree National Park, California, United States of America, North America
Hanging rock, overlooking the Sequoia foothills at sunset, Tulare County, Sequoia National Park, Sierra Nevada, California, United States of America, North America
Blackbrush (Coleogyne ramosissima) blossom, Arches National Park, Utah, United States of America, North America
Rain Forest with small creek, Olympic National Park, UNESCO World Heritage Site, Washington, United States of America, North America
Lower Yellowstone Falls, Yellowstone National Park, Wyoming, United States of America, North America
Sunset at Avalanche Creek, Glacier National Park, Montana, United States of America, North America
Woman on the shore of Lake McDonald, Glacier National Park, Montana, United States of America, North America
The Transept Trail sign where it branches off from the Bright Angel Point Trail on the North Rim of Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A bench overlooking Grand Canyon North Rim from the Vista Encantada Picnic area, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Dead tree in the Capitol Reef National Park, Utah, United States of America, North America
Virgin River flowing through the Zion National Park, Utah, United States of America, North America
Erupting Old Faithful Geyser, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Little boat in the bay of Dingwall, Cape Breton Highlands National Park, Cape Breton Island, Nova Scotia, Canada, North America
Joshua tree in the Joshua Tree National Park, California, United States of America, North America
View over the granite peaks of the Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Thunderstorms over south rim, from Cape Royal, north rim, Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Double Arch, Arches National Park, Utah, United States of America, North America
Turret Arch, Arches National Park, Utah, United States of America, North America
Oxbow Bend, Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Hall of Mosses rainforest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Hall of Mosses rainforest, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Mesa Arch, Canyonlands National Park, Moab, Utah, United States of America, North America
Arches National Park, Moab, Utah, United States of America, North America
Arches National Park, Moab, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
First Beach at dawn, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
View of the Deadhorse Creek Trail, Mount Rainier National Park, Washington State, United States of America, North America
Ancestral Puebloan ruin at Desert View on the Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Badwater Basin at sunset, Death Valley National Park, California, United States of America, North America
Badwater Basin at sunset, Death Valley National Park, California, United States of America, North America
Zabriskie Point at sunrise, Death Valley National Park, California, United States of America, North America
A view of the Aialik Glacier, coming off the Harding Ice Field, Kenai Fjords National Park, Alaska, United States of America, North America
A young brown bear (Ursus arctos) along the shoreline at Lake Clark National Park and Preserve, Alaska, United States of America, North America
A valley in Petrified Forest National Park, west of the Tepees, Arizona, United States of America, North America
Grand Canyon viewed from a cliff overlooking Papago Creek, with Papago Point just right of center, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Half Dome granite rock formation, Yosemite National Park, Sierra Nevada, Central California, California, USA
Popular Tunnel view vista of Yosemite Valley, El Capitan and Half Dome granite rock formations, Yosemite National Park, California, USA
Manly Beacon rock formation at Zabriskie Point at dawn, Death Valley National Park, California, USA
An adult golden-mantled ground squirrel (Callospermophilus lateralis), in Bryce Canyon National Park, Utah, United States of America, North America
A young golden-mantled ground squirrel (Callospermophilus lateralis), in Bryce Canyon National Park, Utah, United States of America, North America
A waterfall running through the Mossy Cave Trail in Bryce Canyon National Park, Utah, United States of America, North America
Inside the Big Room at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America
Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Grand Canyon viewed through a rock cave below Lipan Point on the South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Balanced Rock at dusk, with snow, Arches National Park, Utah, United States of America, North America
Onyx Bridge at Petrified Forest National Park, Arizona, United States of America, North America
Grand Teton National Park waters, Wyoming, United States of America, North America
Grand Teton National Park waters, Wyoming, United States of America, North America
Park Avenue, Arches National Park, Moab, Utah, United States of America, North America
Oxbow Bend, Grand Teton National Park, Wyoming, United States of America, North America
Bison (Bison bison) in a snowstorm, Yellowstone National Park, Wyoming, United States of America, North America
Zuni Point at Grand Canyon South Rim in the clouds viewed from Moran Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
The Needles in Chesler Park, Canyonlands National Park, Utah, United States of America, North America
Zion National Park, Utah, United States of America, North America
Canary Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Canary Spring, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America