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Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) courtship behaviour, Brooks River, Katmai National Park near Bristol Bay, Alaska, United States of America
View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear sow (Ursus arctos) watching human activities at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) disputing fishing rights for salmon in the Brooks River, Katmai National Park, Alaska, United States of America
Young brown bear (Ursus arctos) standing looking for salmon, Brooks River, Katmai National Park, Alaska, United States of America
White Snowshoe Hare sitting in its snowy burrow, Denali National Park, Alaska, United States of America, North America
An Alaskan moose in winter roaming the Denali National Park, Alaska, United States of America, North America
Alaskan Railroad going through Denali National Park in the winter, Alaska, United States of America, North America
Joshua Tree in high-key black and white, Joshua Tree National Park, California, United States of America, North America
A rocky snow covered mountain in the Denali National Park, Alaska, United States of America, North America
Sunrise over the frozen Otto Lake and snowy mountains of Denali National Park in the background, Alaska, United States of America, North America
The snowy mountain ranges of Denali National Park in the winter, Alaska, United States of America, North America
Bowman Lake, Glacier National Park, Montana, United States of America, North America
View of the lake created by the historic Bainbridge Steel Dam near Ash Fork, Kaibab National Forest, Arizona, United States of America
View of the lake created by the historic Bainbridge Steel Dam near Ash Fork, Kaibab National Forest, Arizona, United States of America
Snowscape of reflection of sky in thermal feature, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Snowscape trees in the fog, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Moose (Alces alces), Gros Ventre valley, Grand Tetons National Park, Wyoming, United States of America, North America
TA Moulton Barn, Mormon Row, Grand Tetons National Park, Wyoming, United States of America, North America
Beaver dam, Snake River at Schwabacher Landing, Grand Tetons National Park, Wyoming, United States of America, North America
Two hikers heading down the Navajo Loop Trail below Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America
Visitors looking down into Bryce Amphitheatre from the Rim Trail at Bryce Point, Bryce Canyon National Park, Utah, United States of America, North America
High cliffs towering above the Navajo Loop Trail below Sunset Point, Bryce Canyon National Park, Utah, United States of America, North America
Typical rock hoodoos towering above the Mossy Cave Trail, Water Canyon, Bryce Canyon National Park, Utah, United States of America, North America
View over the Silent City from the Rim Trail at Inspiration Point, dawn, Bryce Canyon National Park, Utah, United States of America, North America
Least chipmunk (Neotamias minimus) on rocks beside the Queen's Garden Trail, Bryce Canyon National Park, Utah, United States of America, North America
Hairy woodpecker (Leuconotopicus villosus), perched on tree trunk, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Colourful rock formation in the Queen's Garden beside the Navajo Loop Trail, Bryce Canyon National Park, Utah, United States of America, North America
Angels Landing, a rock formation 1488 feet high, Zion National Park, Utah, United States of America
Angels Landing, a rock formation 1488 feet high, Zion National Park, Utah, United States of America
Angels Landing, a rock formation 1488 feet high, Zion National Park, Utah, United States of America
Angels Landing, a rock formation 1488 feet high, Zion National Park, Utah, United States of America
Angels Landing, a rock formation 1488 feet high, Zion National Park, Utah, United States of America
Angels Landing, a rock formation 1488 feet high, Zion National Park, Utah, United States of America
Hermit Creek Canyon viewed from Dripping Springs Trail in the Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
View of Hermit Creek Canyon from a cliff near Santa Maria Springs along the Hermit Trail, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Basalt formation in Johnson Canyon east of the Bainbridge Steel Dam Lake near Ash Fork, Kaibab National Forest, Arizona, United States of America
Bison (Bison bison) bull covered with frost in the winter, Yellowstone National Park, Wyoming, United States of America, North America
Red Fox (Vulpes vulpes) (Vulpes fulva) in the snow, Grand Teton National Park, Wyoming, United States of America, North America
Gray wolf (Canis lupus) 870F of the Junction Butte Pack at an elk carcass in the winter, Yellowstone National Park, Wyoming, United States of America, North America
Coyote (Canis latrans) in the snow in winter, Yellowstone National Park, Wyoming, United States of America, North America
Gray wolf (Canis lupus) 870F of the Junction Butte Pack in the winter, Yellowstone National Park, Wyoming, United States of America, North America
American Badger (Taxidea taxus), Yellowstone National Park, Wyoming, United States of America, North America
Red Fox (Vulpes vulpes or Vulpes fulva) kits, Yellowstone National Park, Wyoming, United States of America, North America
Black Bear (Ursus americanus) sow and two chocolate cubs of the year or spring cubs, Yellowstone National Park, Wyoming, United States of America, North America
American Pika (Ochotona princeps), Yellowstone National Park, Wyoming, United States of America, North America
Common Raven (Corvus corax), Yellowstone National Park, Wyoming, United States of America, North America
American Badger (Taxidea taxus), Yellowstone National Park, Wyoming, United States of America, North America
The sun is rising under Mesa Arch, Canyonlands National Park, Moab, Utah, United States of America, North America
Green River Overlook, Canyonlands National Park, Moab, Utah, United States of America, North America
Canyonlands National Park, Moab, Utah, United States of America, North America
Desert landscape, Canyonlands National Park, Moab, Utah, United States of America, North America
Car lights, Arches National Park, Moab, Utah, United States of America, North America
The sun rising under Mesa Arch, Canyonlands National Park, Moab, Utah, United States of America, North America
Hiking the Queens Garden Trail, Bryce Canyon National Park, Utah, United States of America, North America
Mount Drum, Sanford, Wrangell, and Blackburn, Wrangell-St. Elias National Park, UNESCO World Heritage Site, Willow Creek, Alaska, United States of America, North America
Harbour Seals (Phoca Vitulina) on an iceberg, blue ice of Aialik Glacier, Kenai Fjords National Park, near Seward, Alaska, United States of America, North America
Harbour Seals (Phoca Vitulina) on an iceberg, Aialik Glacier, Harding Icefield, Kenai Fjords National Park, Alaska, United States of America, North America
Aialik Glacier, mountains, island and blue ice, Harding Icefield, Kenai Fjords National Park, near Seward, Alaska, United States of America, North America
Aialik Glacier and mountains, perfect summer day, Harding Icefield, Kenai Fjords National Park, near Seward, Alaska, United States of America, North America
Colourful kayaks, Aialik Glacier, blue ice and mountains, Harding Icefield, Kenai Fjords National Park, near Seward, Alaska, United States of America, North America
Panorama of the Grand Canyon just east of Zuni Point on the south rim with haze from smoke from a wildfire on the north rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
The Spire Abyss near Zuni Point on the south rim of the Grand Canyon near sundown, located a mile east of Moran Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon view just west of Zuni Point on the South Rim nearing sunset, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A storm brewing directly over the Sinking Ship on the south rim of the Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Watch Tower on the South Rim of the Grand Canyon at sundown, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Closeup of Shoshone Rock on the edge of Shoshone Point on the south rim of the Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Panoramic landscape of the Denali Mountain (Mount McKinley), Denali National Park, Alaska, United States of america, North America
Exit Glacier, Kenai Fjords National Park, Alaska, United States of America, North America
Grizzly bear (brown) bear (Ursus arctos), Moraine Creek (River), Katmai National Park and Reserve, Alaska, United States of America, North America
Grizzly bear (brown bear) (Ursus arctos), Moraine Creek (River), Katmai National Park and Reserve, Alaska, United States of America, North America
Holgate Glacier, Harding Icefield, Kenai Fjords National Park, Alaska, United States of America, North America
Scenery, Homer, Harding Icefield, Kachemak Bay, Kenai Fjords National Park, Alaska, United States of America, North America
Holgate Glacier, Harding Icefield, Kenai Fjords National Park, Alaska, United States of America, North America
Panorama of Tuzigoot and the Verde Valley, managed by the National Park Service, Arizona, United States of America, North America
An adult bull porcupine caribou (Rangifer tarandus granti), hiding in fall color changes in Denali National Park, Alaska, United States of America, North America
Pretty scenic view in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Grand Prismatic Spring, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Rainbow Geyser and surreal the colors that the different bacteria create in these geysers, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mount Moran from Oxbow Bend, Snake River, Grand Teton National Park, Wyoming, United States of America, North America
Olmstead Point, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
View across the tranquil Merced River below Swinging Bridge, autumn, Yosemite Village, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
View to the Panamint Range from the world's lowest-lying golf course, Furnace Creek, Death Valley National Park, California, 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
Bright Angel Canyon viewed north of the south rim with bright yellow trees in the bottom of the canyon (Indian Gardens), Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon viewed from Bright Angel Trail just south of Indian Gardens at sundown, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Bright Angel Canyon on the south rim of the Grand Canyon viewed just north of Indian Gardens, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
El Capitan, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Pecos National Historical Park, New Mexico, United States of America, North America
Pecos National Historical Park, New Mexico, United States of America, North America
Pecos National Historical Park, New Mexico, United States of America, North America
Moving boulders at Racetrack Playa in Death Valley National Park, California, United States of America, North America
Zabriskie Point in Death Valley National Park, California, United States of America, North America