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View over Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Yosemite Falls, highest waterfall, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Mother brown bear (Ursus arctos) standing and looking for salmon, Lake Clark National Park and Preserve, Alaska, United States of America, North America
An adult common side-blotched lizard, Uta stansburiana, in Joshua Tree National Park, California, USA.
Panoramic view by moonlight over Badwater Basin to the Panamint Range, Dante's View, Death Valley National Park, California, United States of America, North America
Woman at Mormon Row and Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Mormon Row and Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Mormon Row and Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Mormon Row and 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
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
Bryce Canyon National Park, Utah, United States of America, North America
Cycling, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Mesquite flat sand dunes in Death Valley National Park, California, United States of America, North America
Zion Canyon, Zion National Park, Utah, United States of America, North America
Snow-capped mountains reflected in the calm waters of Leigh Lake, Grand Teton National Park, Wyoming, United States of America, North America
Rialto Beach at dawn, Olympic National Park, UNESCO World Heritage Site, Clallam, Washington State, United States of America, North America
Autumn reflections on the River Merced in Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
An adult humpback whale (Megaptera novaeangliae) breaching in Kenai Fjords National Park, Alaska, United States of America, North America
A giant petrified log on the Purple Peninsula in Petrified Forest National Park, Arizona, United States of America, North America
A mother and her cub (Ursus arctos) fishing for salmon at Brooks Falls, Katmai National Park and Preserve, Alaska, United States of America, North America
Flight seeing from Haines over the Fair-weather Range in Glacier Bay National Park, Southeast Alaska, USA.
Gorge with natural arch by Navajo Loop Trail, Bryce Canyon National Park, Utah, USA
Grand Canyon along Hermit Road on sunny day, Grand Canyon National Park, Arizona, USA
Whiskey Flat rock formation on sunny day, Capitol Reef National Park, Utah, Western United States, USA
Entrance to the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America
Merced River, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Spruce tree house, one of the cliff dwellings in the Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
Rocky landscape and cliffs in the Klondike Bluffs District of Arches National Park, in Utah, United States of America, North America
Walkers on Grand Teton National Park trails, Wyoming, United States of America, North America
Walkers on Grand Teton National Park trails, Wyoming, United States of America, North America
Walkers on Grand Teton National Park trails, Wyoming, United States of America, North America
A young mule deer (Odocoileus hemionus) resting on a hillside in Yellowstone National Park, Wyoming, United States of America, North America
An adult female dusky grouse (Dendragapus obscurus), displaying in Yellowstone National Park, Wyoming, United States of America, North America
Fresh snow fall, Yosemite Valley, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Sunrise over Yellowstone Lake with reflection, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Yellowstone National Park in winter, UNESCO World Heritage Site, Wyoming, United States of America, North America
American bison covered in snow, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Teton Range at Dawn in winter, Grand Teton National Park, Wyoming, United States of America, North America
Autumn tundra, Denali National Park and Preserve, Alaska, United States of America, North America
Road leading through colourful foliage in the Indian summer, Great Smoky Mountains National Park, Tennessee, United States of America, North America
View over valley with colourful foliage in the Indian summer, Great Smoky Mountains National Park, UNESCO World Heritage Site, Tennessee, United States of America, North America
View over the Shenandoah National Park with beautiful foliage in the Indian summer, Virginia, United States of America, North America
Brown Bear (Ursus arctos horribilis) running through water, Katmai National Park and Preserve, Alaska, United States of America, North America
Tangle Falls, Jasper National Park, UNESCO World Heritage Site, Rocky Mountains, Alberta, Canada, North America
Brown Bear (Ursus arctos horribilis) in Moraine Creek, Katmai National Park and Preserve, Alaska, United States of America, North America
Sunburst through Windows Arch, Arches National Park, Utah, United States of America, North America
The red water of Lithodendron Wash, red from bentonite clay, in Petrified Forest National Park, Arizona, United States of America, North America
Sun setting over the Teton Range at Moulton Barn, Grand Teton National Park, Wyoming, United States of America, North America
Sun setting over the Teton Range at Moulton Barn, Grand Teton National Park, Wyoming, United States of America, North America
Panorama of Teton Range at first light, Grand Teton National Park, Wyoming, United States of America, North America
View of hoodoo formations from the Fairyland Trail in Bryce Canyon National Park, Utah, United States of America, North America
Silhouette of Balanced Rock at dusk, Arches National Park, Utah, United States of America, North America
Coronado Butte at Grand Canyon viewed from the end of Coronado Ridge, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Sunrise at Mesa Arch with sunburst, Canyonlands National Park, Utah, United States of America, North America
Bridesveil Falls with rainbow, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Hoary marmot (Marmota caligata), Glacier National Park, Montana, United States of America, North America
Hoary Marmot (Marmota caligata), Glacier National Park, Montana, United States of America, North America
Turret Arch through North Window at dawn, Arches National Park, Utah, United States of America, North America
Sunburst through Turret Arch, Arches National Park, Utah, United States of America, North America
Artemesia Geyser Pool, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
View from Zabriskie Point, Death Valley National Park, California, United States of America, North America
Driftwood logs, Pacific coast beach, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
Sunrise on the shore of Lake McDonald, Glacier National Park, Montana, United States of America, North America
An overlook along the Transept Trail with Oza Butte on the right at Grand Canyon North Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Sign for the main visitor center at Grand Canyon North, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon viewed from the cliffs of Walhalla Glades on the North Rim, with Cape Royal on left, Vishnu Temple in the center, and Wotan's Throne on right, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Backlight of the long sandy beach in the Prince Edward Island National Park, Prince Edward Island, Canada, North America
Sailing boat at the rocky cliffs of Bass Harbor Head Lighthouse, Acadia National Park, Maine, New England, United States of America, North America
View of Hermit Canyon and Hermit Basin from the Boucher Trail at Grand Canyon with Pima Point on the upper left, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
View over Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Cook Inlet coast, Katmai National Park and Reserve, Alaska, United States of America, North America
Cook Inlet coast, Katmai National Park and Reserve, Alaska, United States of America, North America
View of Merced River and Upper Yosemite Falls, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Tunnel Arch, Arches National Park, Utah, United States of America, North America
View across vast expanse of salt flats to the Black Mountains, Badwater Basin, Death Valley National Park, California, United States of America, North America
Schwabacher landing, Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Schwabacher landing, Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Schwabacher landing, Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Schwabacher landing, Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Mormon Row and Teton Range, Grand Teton National Park, Wyoming, United States of America, North America
Mormon Row and 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
Mesa Arch, Canyonlands National Park, Moab, Utah, United States of America, North America
Balanced Rock, Arches National Park, Moab, Utah, United States of America, North America
Bryce Canyon National Park, Utah, United States of America, North America
Half Dome, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Young brown bear (Ursus arctos), feeding at low tide in Geographic Harbor, Katmai National Park, Alaska, United States of America, North America
Early light on Mount Rainier from the Burroughs Mountain Trail, Mount Rainier National Park, Washington State, United States of America, North America
Adult hoary marmot (Marmota caligata), on the Skyline Trail, Mount Rainier National Park, Washington State, United States of America, North America
Views of the Nisqually Glacier from the Skyline Trail, Mount Rainier National Park, Washington State, United States of America, North America
A ridge in the Devil's Playground of crumbling hoodoos that resemble Goblins, Petrified Forest National Park, Arizona, United States of America, North America
The Bow Rock of the formation called Sinking Ship in Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon northwest view from a rock island just beyond the tourist overlook of Lipan Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America