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Balanced Rock, Arches National Park, Utah, USA
Glacier lily (dogtooth violet) (Erythronium grandiflorum), Glacier National Park, Montana, United States of America, North America
The view to the southeast from Point Sublime after sunset, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Alpine bearberry (Arctostaphylos alpina) in fall color on the tundra, Denali National Park, Alaska, United States of America, North America
Beargrass, Hidden Lake and Mount Reynolds, Glacier National Park, Montana, USA
Jackson Lake, Colter Bay, Grand Teton National Park, Wyoming, USA
Mt. McKinley, Denali National Park, Alaska, USA
Morning Glory Pool, a geothermal pool, colours are due to algae at temperature bands, hotter below, Yellowstone National Park, Wyoming, USA
Thor's Hammer from the Navajo Loop Trail, Bryce Canyon National Park, Utah, USA
Sand dunes, Death Valley National Monument, California, USA
Waterfall in the Grand Canyon, Yellowstone National Park, Wyoming, USA
Bison grazing in Yellowstone National Park, Wyoming, USA
Coyote (Canis latrans), weighing 30-40 lbs, less than half the weight of a wolf, Yellowstone National Park, Wyoming, USA
Rocky shoreline, Acadia National Park, Maine, New England, USA
Sunrise, the Queen's Garden from Sunset Point, Bryce Canyon National Park, Utah, USA
Juvenile alligator in swampland (bayou) at Jean Lafitte National Historical Park and Preserve, south of New Orleans, Louisiana, USA
Delicate Arch, Arches National Park, Utah, United States of America, North America
View across Nymph Lake at sunrise, with Hallett Peak above the trees, Rocky Mountain National Park, Colorado, United States of America, North America
Park Avenue, Arches National Park, Moab, Utah, 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
Father and son hike to Anderson Pass, Enchanted Valley, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Grass and maple trees in temperate rain forest, Queets River, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America (U.S.A.), North America
Winter landscape, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Landscape, Mount Rainier National Park, Washington state, United States of America, North America
Close-up of the leaves of a vine maple (Acer circinatum), Mount Rainier National Park, Washington state, United States of America, North America
Landscape with wild flowers, Mount Rainier National Park, Washington state, United States of America, North America
Double Arch, Arches National Park, Utah, United States of America, North America
Shafer Trail Road, Canyonlands National Park, Utah, United States of America, North America
Rock Art, Fremont style anthropomorphs dating from AD 500 to 1300, Capitol Reef National Park, Utah, United States of America, North America
Mormon Pioneer Wagon, Capitol Reef National Park, Utah, United States of America, North America
Fruita Schoolhouse dating from 1896, Capitol Reef National Park, Utah, United States of America, North America
Historic Gifford Homestead Barn dating from 1908, Capitol Reef National Park, Utah, United States of America, North America
Historic Gifford Homestead Barn dating from 1908, Capitol Reef National Park, Utah, United States of America, North America
Historic Gifford Homestead Barn dating from 1908, Capitol Reef National Park, Utah, United States of America, North America
Layered sandstone formation, Capitol Reef National Park, Utah, United States of America, North America
Regenerating trees reflected in a frosty and misty Lewis River at dawn, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Turban, Vent and Grand Geysers erupt, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Turban, Vent and Grand Geysers erupt, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Great Gallery Pictograph Panel, Barrier Canyon Style, Horseshoe Canyon, Canyonlands National Park, Utah, United States of America, North America
Great Gallery Pictograph Panel, Barrier Canyon Style, Horseshoe Canyon, Canyonlands National Park, Utah, United States of America, North America
Great Gallery Pictograph Panel, Barrier Canyon Style, Horseshoe Canyon, Canyonlands National Park, Utah, United States of America, North America
Pictograph Panel, Horseshoe Shelter Site, Barrier Canyon Style, Horseshoe Canyon, Canyonlands National Park, Utah, United States of America, North America
Pictograph Panel, Horseshoe Shelter Site, Barrier Canyon Style, Horseshoe Canyon, Canyonlands National Park, Utah, United States of America, North America
Great Gallery Pictograph Panel, Barrier Canyon Style, Horseshoe Canyon, Canyonlands National Park, Utah, United States of America, North America
Great Gallery Pictograph Panel, Barrier Canyon Style, Horseshoe Canyon, Canyonlands National Park, Utah, United States of America, North America
Crater Lake and Wizard Island at dawn, Crater Lake National Park, Oregon, United States of America, North America
Douglas's Squirrel (Tamiasciurus hudsonicus) eating a pine cone, Olympic National Park, Washington State, United States of America, North America
Pa'rus Trail winds through Zion Canyon in winter, Zion National Park, Utah, United States of America, North America
Hoodoos lit by late afternoon sun with distant view in winter, Paria View, Bryce Canyon National Park, Utah, United States of America, North America
Hoodoos strongly lit by early morning sun with heavy cloud, Peekaboo Loop Trail in winter, Bryce Canyon National Park, Utah, United States of America, North America
Cliffs and hoodoos lit by late afternoon sun with distant view in winter, Paria View, Bryce Canyon National Park, Utah, United States of America, North America
Rim cliffs and hoodoos lit by late afternoon sun with distant view in winter, Paria View, Bryce Canyon National Park, Utah, United States of America, North America
Late afternoon sun lights hoodoos and rocks through a cloudy sky in winter, Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America
Large hoodoo in early morning light seen from a horse trail in winter, Bryce Canyon National Park, Utah, United States of America, North America
Late afternoon sun lights many hoodoos in winter, Rim Trail near Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America
Silent City hoodoos on a cloudy winter afternoon, Bryce Amphitheatre, Inspiration Point, Bryce Canyon National Park, Utah, United States of America, North America
Red-hued limestone arch lit by morning sun with snowy cliffs in winter at Natural Bridge, Bryce Canyon National Park, Utah, United States of America, North America
Hoodoos, cliffs, vegetation and distant view with snow, Inspiration Point, Bryce Canyon National Park, Utah, United States of America, North America
Wintry cliffs and hoodoos strongly lit by morning sun with cloudy backdrop, Rainbow Point, Bryce Canyon National Park, Utah, United States of America, North America
Red-hued limestone arch lit by morning sun with snow in winter at Natural Bridge, Bryce Canyon National Park, Utah, United States of America, North America
Snowy cliffs, pine trees and hoodoos lit by morning sun with cloudy sky, Rainbow Point, Bryce Canyon National Park, Utah, United States of America, North America
Hiker takes a break on the Peekaboo Loop Trail in winter, with snowy red rocks and cliffs, Bryce Canyon National Park, Utah, United States of America, North America
White sand beach and turquoise waters in front of Fort Jefferson, Dry Tortugas National Park, Florida Keys, Florida, United States of America, North America
Mesa Arch at dawn, Canyonlands National Park, Utah, United States of America, North America
View of Courthouse Towers, The Organ and Three Gossips at dawn, Arches National Park, Utah, United States of America, North America
Bison (Bison bison), Hayden Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Morning Glory Pool and surrounds, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Backlit moose (Alces alces) cow in profile, Grand Teton National Park, Wyoming, United States of America, North America
Mule deer (Odocoileus hemionus) with open mouth, Grand Teton National Park, Wyoming, United States of America, North America
Cinnamon black bear (Ursus americanus) climbs a tree in search of autumn (fall) berries, Grand Teton National Park, Wyoming, United States of America, North America
Autumn (fall) storm approaches, Mormon Row barn, Antelope Flats, Grand Teton National Park, Wyoming, United States of America, North America
Cold tourists on seat surrounded by steam, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Dead trees and steam with mountain backdrop and blue skies, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Fog, rocks and trees, Bryce Canyon National Park, Utah, United States of America, North America
Tree studded ridges, fog and clouds of a partial temperature inversion, Bryce Canyon, Bryce Canyon National Park, Utah, United States of America, North America
Dawn mist, Mount Moran, Oxbow Bend, Snake River, Grand Teton National Park, Wyoming, United States of America, North America
Pinnacles and hoodoos with fog extending into clouds of a partial temperature inversion, Bryce Canyon National Park, Utah, United States of America, North America
Fallen lodgepole pines, Grand Prismatic Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Fishing Cone Geyser with freezing mists, Yellowstone Lake at West Thumb Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Wildfowl on Snake River surrounded by a cold dawn mist, autumn (fall), Grand Teton National Park, Wyoming, United States of America, North America
Fog and clouds of a partial temperature inversion surround the red rocks of Bryce Canyon, Bryce Canyon National Park, Utah, United States of America, North America
Black bear (Ursus americanus) sow nursing a spring cub, Yellowstone National Park, Wyoming, United States of America, North America
Late afternoon light on Horsetail Falls, a phenomenon which occurs only one or two days a year in late February due to the angle of the sun and snow melt on the cliffs, Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Late afternoon light on Horsetail Falls, a phenomenon which occurs only one or two days a year in late February due to the angle of the sun and snow melt on the cliffs, Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Fresh snow fall on El Capitan in Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, 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
Visitor at Painted Wall View Point, Gunnison River deep in the canyon, Black Canyon of the Gunnison National Park, Colorado, United States of America, North America
Two bison (Bison bison) bulls facing off, Yellowstone National Park, Wyoming, United States of America, North America
Red Fox (Vulpes vulpes) (Vulpes fulva) vixen and kit, Yellowstone National Park, Wyoming, United States of America, North America
Three Grizzly Bear (Ursus arctos horribilis) cubs of the year, Yellowstone National Park, Wyoming, United States of America, North America
Saguaro cacti and barrel cacti in bloom, Saguaro National Park, Rincon Mountain District, Tucson, Arizona, United States of America, North America
Landscape, Mount Rainier National Park, Washington State, United States of America, North America
Great gray owl (great grey owl) (Strix nebulosa) adult leaving a perch, Yellowstone National Park, Wyoming, United States of America, North America
Great gray owl (great grey owl) (Strix nebulosa) female and 8-day-old chick, Yellowstone National Park, Wyoming, United States of America, North America
Red fox (Vulpes vulpes) (Vulpes fulva) vixen hunting a bird, Yellowstone National Park, Wyoming, United States of America, North America
Bryce Point, Bryce Canyon National Park, Utah, United States of America, North America
Anasazi Ruins, Square Tower House, dating from between 600 AD and 1300 AD, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
Anasazi Ruins, Cliff Palace, dating from between 600 AD and 1300 AD, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
Red Fox (Vulpes vulpes) (Vulpes fulva) in winter, Grand Teton National Park, Wyoming, United States of America, North America
Tenaya Lake at sunset from Olmsted Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America