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Climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, United States of America, North America
Camp 1, climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, United States of America, North America
Climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, United States of America, North America
Climbing expedition on Mount McKinley, 6194m, Denali National Park, Alaska, 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
A lone photographer stands perched on a rock silhouetted against the dawn orange sky at Yaki Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Sun rays extend from a cloud perched on the horizon putting Vishnu temple into silhouette, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Mesa Verde National Park, Spruce Tree House, UNESCO World Heritage Site, Colorado, United States of America, North America
Mirror Lake, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Chaco Culture National Historic Park, World Heritage Site, Fajada Butte, UNESCO World Heritage Site, New Mexico, 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
Chaco Culture National Historic Park, World Heritage Site, Pueblo Bonito, kiva (foreground), UNESCO World Heritage Site, New Mexico, 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
Electrical storm with forked lightning over the Grapevine mountains of the Amargosa Range, Mesquite Flats Sand dunes in the valley, Stovepipe Wells, Death Valley National Park, California, United States of America, North America
Straight road, Daylight Pass road, Highway 374 from Beatty Nevada, through the Grapevine mountains of the Amargosa Range to Death Valley, with Mesquite bushes along the roadside, Death Valley National Park, California Nevada border, United States of America, North America
Sockeye salmon attempting to jump the falls, Brooks Camp, Katmai National Park, Alaska, United States of America, North America
The Grandstand in Racetrack Valley, a dried lake bed known for its sliding rocks on the Racetrack Playa, Death Valley National Park, California, United States of America, North America
Mount McKinley with tundra in fall color, Denali National Park and Preserve, Alaska, United States of America, North America
Porcupine caribou (Grant's caribou) (Rangifer tarandus granti) cow among fall colors, Denali National Park and Preserve, Alaska, United States of America, North America
Tourist watching the sunrise with low mist over the sandstone hoodoos in Bryce Amphitheater, Inspiration Point, Bryce Canyon National Park, Utah, United States of America, North America
Thor's Hammer, an iconic hoodoo on the Navajo trail, a hiking trail through Bryce Amphitheater, Bryce Canyon National Park, Utah, United States of America, North America
Grizzly bear (Ursus arctos horribilis) (Coastal brown bear) on a road with fall color, Denali National Park and Preserve, Alaska, United States of America, North America
Olympic mountain range, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Cross Fox, Red Fox (Vulpes vulpes) (Vulpes fulva) pouncing on prey in the snow, Grand Teton National Park, Wyoming, United States of America, North America
Yosemite Valley from Tunnel View viewpoint, with El Capitan, a 3000 feet granite monolith on the left, and the Bridalveil Falls on the right, Yosemite National Park, UNESCO World Heritage Site, Sierra Nevada, California, United States of America, North America
Tourist, hiker walking towards Upper Yosemite Falls, on boardwalk, across Sentinel Meadow, Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, Sierra Nevada, California, United States of America, North America
A twisted very old Bristlecone Pine (Pinus longaeva), on sage brush covered slopes of dolomite limestone, in the Ancient Bristlecone Pine Forest Park, Inyo National Forest, Bishop, California, United States of America, North America
Tourist admiring the Giant Sequoia trees (Sequoiadendron giganteum), on the Big Trees trail, Round Meadow, Sequoia National Park, Sierra Nevada, California, United States of America, North America
Tourist admiring the Giant Sequoia trees (Sequoiadendron giganteum), hiking on the Big Trees trail, Round Meadow, Sequoia National Park, Sierra Nevada, California, United States of America, North America
Tourist hiker, admiring the Giant Sequoia trees (Sequoiadendron giganteum), known as the Parker Group, Sequoia National Park, Sierra Nevada, California, United States of America, North America
Small lake in Grand Teton National Park, Wyoming, United States of America, North America
Steamboat Mountain at sunset from Locust Point, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
River otter (Lutra canadensis) on frozen Yellowstone Lake, Yellowstone National Park, Wyoming, United States of America, North America
Grizzly bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, United States of America, North America
Grizzly bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, United States of America, North America
Eagle Lake, Acadia National Park, Mount Desert Island, Maine, New England, United States of America, North America
Sandy Beach, Acadia National Park, Mount Desert Island, Maine, New England, United States of America, North America
Bass Harbor Head Lighthouse, Bass Harbor, Mount Desert Island, Acadia National Park, Maine, New England, United States of America, North America
Evergreens, red maples, and red rock on the Emerald Pools Trail, Zion National Park, Utah, United States of America, North America
Cascade in The Narrows of the Virgin River, Zion National Park, Utah, 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
Dusty Star Mountain, St. Mary Lake, and wildflowers at dawn, Glacier National Park, Montana, 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
Cape Royal Viewpoint at sunset, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Wotans Throne, Cape Royal Viewpoint at sunset, North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Sunrise over La Sal Mountains, Washer Woman Arch, and Mesa Arch, Island in the Sky, Canyonlands National Park, Utah, United States of America, North America
Prong-horned antelope (Antilocapra Americana), Bryce Canyon National Park, Utah, United States of America, North America
Cannon Ball Concretions in the badlands, Theodore Roosevelt National Park, North Dakota, United States of America, North America
Grizzly bear (Ursus arctos horribilis), Glacier National Park, Montana, 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
Hoodoos, on the Queens Garden Trail, Bryce Canyon National Park, Utah, United States of America, North America
Colorado River below, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, 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
Common raven (Corvus corax) feeding on a duck, Yellowstone National Park, Wyoming, United States of America, North America
Grizzly bear (Ursus arctos horribilis), Yellowstone National Park, Wyoming, United States of America, North America
Striped coralroot (hooded coralroot) (Corallorhiza striata), Glacier National Park, Montana, United States of America, North America
Bison (Bison bison) cow cleaning her calf, Yellowstone National Park, Wyoming, United States of America, North America
Grand Canyon viewed from South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, 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
Bachelor and Three Graces Sequoia tress in Mariposa Grove, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Badlands with clouds, Theodore Roosevelt National Park, North Dakota, United States of America, North America
Bison (Bison bison) bull and cow, Yellowstone National Park, Wyoming, United States of America, North America
Wild horse (Equus Caballus) stallion, Theodore Roosevelt National Park, North Dakota, United States of America, North America
Two Pronghorn (Antilocapra americana) bucks sparring, Yellowstone National Park, Wyoming, United States of America, North America
Three American avocet (Recurvirostra americana), Yellowstone National Park, Wyoming, United States of America, North America
Guadalupe Peak and El Capitan at sunset, Guadalupe Mountains National Park, Texas, United States of America, North America
American Bison (Bison bison), Grand Teton National Park, Wyoming, United States of America, North America
American Bison (Bison bison), Grand Teton National Park, Wyoming, United States of America, North America
John Moulton Homestead, Barn dating from the 1890s, Mormon Row, Grand Teton National Park, Wyoming, 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
Ranch and Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Yellow-bellied marmot (yellowbelly marmot) (Marmota flaviventris) carrying a pup, Yellowstone National Park, Wyoming, United States of America, North America
Water reflection of Mount Moran, taken from Oxbow Bend Turnout, Grand Teton National Park, Wyoming, United States of America, North America
Water reflection of the Teton Range, taken from the end Schwabacher Road, Grand Teton National Park, Wyoming, 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
Yellow-bellied marmot (yellowbelly marmot) (Marmota flaviventris) carrying a pup, Yellowstone National Park, 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
Water reflection of Mount Moran, taken from Oxbow Bend Turnout, Grand Teton National Park, 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
Water reflection of the Teton Range, taken from the end Schwabacher Road, Grand Teton National Park, Wyoming, United States of America, North America
Water reflection of the Teton Range, taken from the end Schwabacher Road, Grand Teton National Park, Wyoming, United States of America, North America
Pool runoff of orange bacteria and algae (Therophiles), Grand Prismatic Pool, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Black bear (Ursus americanus) sow and cub of the year, Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) cow and calf in the spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellow-bellied marmot (yellowbelly marmot) (Marmota flaviventris) carrying a pup, Yellowstone National Park, Wyoming, United States of America, North America
Black bear (Ursus americanus) in a spring snow storm, Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) bull in a spring snowstorm, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Unicorn Peak mountain above mist shrouded pine forest, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Uinta chipmunk (Tamias umbrinus), Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) cow and calf in the spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Young mule deer (Odocoileus hemionus) in a snow storm in the spring, Yellowstone National Park, Wyoming, United States of America, North America
Bison (Bison bison) bull in the spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
View towards Half Dome at sunset, from Olmsted Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Tourists viewing Half Dome and Yosemite Valley from Glacier Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Giant Sequoia (Sequoiadendron giganteum) trees in Mariposa Grove, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Highway 190 through Death Valley National Park, California, United States of America, North America
Giant redwood (sequioa) trees in Redwood National Park, Northern California, United States of America, North America
Seasonal pond on Tuolumne Meadows in Yosemite National Park, UNESCO World Heritage Site, California, 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