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Castle Geyser steaming in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Thors Hammer, Bryce Canyon National Park, Utah, United States of America, North America
The Seward Harbor in Resurrection Bay, gateway to the Kenai Fjords in Kenai Fjords National Park, Alaska, United States of America, North America
An adult tufted puffin (Fratercula cirrhata) bathing in the ocean in Kenai Fjords National Park, Alaska, United States of America, North America
A tall hoodoo called the Leviathan in Devil's Playground, Petrified Forest National Park, Arizona, United States of America, North America
An ominous looking hoodoo in Devil's Playground at Petrified Forest National Park, Arizona, United States of America, North America
Fall color change amongst the trees and shrubs in Denali National Park, Alaska, United States of America, North America
A flowering scarlet hedgehog cactus (Echinocereus coccineus), Big Bend National Park, Texas, United States of America, North America
Merced River, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Merced River, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Two of three ponds called the Hearst Tanks, on Grand Canyon South Rim, located one mile east of Grandview Point, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Moonlight view of Grand Canyon from The Abyss Overlook, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon viewed from Pima Point at sundown, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A purple canyon with a dry creek in between hills of bentonite in Petrified Forest National Park, Arizona, United States of America, North America
Walkers on Grand Teton National Park trails, Wyoming, United States of America, North America
The Fairweather mountain range in Glacier Bay National Park, UNESCO World Heritage Site, Southeast Alaska, United States of America, North America
A wild American alligator (Alligator mississippiensis), at night in Shark Valley, Everglades National Park, Florida, United States of America, North America
View of Washerwoman Arch, Islands in the Sky, Canyonlands National Park, Utah, United States of America, North America
Mesa Top Loop Road Ruins, Pueblo ruins in Mesa Verde containing some of the most elaborte Pueblo dwellings found today, Mesa Verde National Park, UNESCO World Heritage Site, Colorado, United States of America, North America
The Cathedral Group of Mount Teewinot, Mount Owen and Grand Teton from the Snake River at Schwabacher's Landing, Grand Teton National Park, Wyoming, United States of America, North America
Ponderosa pine tree, Zion National Park in autumn, Utah, United States of America, North America
Cottonwood tree and reeds, Zion National Park in autumn, Utah, United States of America, North America
A calf and adult killer whale (Orcinus orca) surfacing in Glacier Bay National Park, Southeast Alaska, United States of America, North America
Sol Duc Falls, Olympic National Park, UNESCO World Heritage Site, Washington, United States of America, North America
Two dorks playing with shadows in White Sands National Park, New Mexico, United States of America, North America
A couple enjoy White Sands National Park at sunset, New Mexico, United States of America, North America
A yucca growing in White Sands National Park, New Mexico, United States of America, North America
Winter scene in the Badlands, Badlands National Park, South Dakota, United States of America, North America
American bison (Bison Bison) in a driving snow storm, Badlands National Park, South Dakota, United States of America, North America
Snowscape of thermal feature with reflection, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Profile of American Bison (Bison Bison) in the snow in the Badlands, Badlands National Park, South Dakota, United States
Frozen bison (Bison bison), sticking out tongue, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
River otter (Lontra canadensis), standing on ice, with reflection, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Icicles hanging from a rock with fresh snow, Zion National Park, Utah, United States of America, North America
Chimney Rock with storm clouds, Capitol Reef National Park, Utah, United States of America, North America
Yellow maple against a red rock canyon wall in the fall, Zion National Park, Utah, 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
Beaver (Castor canadensis) swimming with food, Denali National Park and Preserve, Alaska, United States of America, North America
Beaver (Castor canadensis) swimming, Denali National Park and Preserve, Alaska, United States of America, North America
Red squirrel (spruce squirrel) (Tamiasciurus hudsonicus) in a spruce tree, Denali National Park and Preserve, Alaska, United States of America, North America
Elk (Cervus canadensis) crossing the Madison River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Canary Spring, Travertine Terraces, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Ribbon Lake, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
A petrified log called the Agate Bridge in Petrified Forest National Park, Arizona, United States of America, North America
Aerial view of sunrise over Mount Rainier National Park, Washington State, United States of America, North America
The junction where the Transept Trail meets 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
Blue thermal feature shrouded in fog, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Half Dome, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
From Powell Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Tower, Desert View Point, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Rock formations in Canyonlands National Park, Moab, Utah, United States of America, North America
Landscape from La Sal Mountains Viewpoint, Arches National Park, Moab, Utah, United States of America, North America
Frolicking in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
View over Badwater Basin to the Panamint Range, sunrise, Dante's View, Death Valley National Park, California, 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
Park Avenue, Arches National Park, Moab, Utah, United States of America, North America
Yosemite Valley Chapel, Yosemite National Park, UNESCO World Heritage Site, California, 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
Moving boulders at Racetrack Playa in Death Valley National Park, California, United States of America, North America
Rainbow over South Marble Island in Glacier Bay National Park and Preserve, Southeast Alaska, United States of America, North America
View down Zion Canyon from Angels Landing, Zion National Park, Utah, United States of America, North America
Angels Landing, Zion National Park, Utah, United States of America, North America
Rock covered in barnacles, First Beach at dawn, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America
The second tunnel along Bright Angel Trail in winter at sunrise on the South Rim of Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A mother brown bear (Ursus arctos) with her cubs on the beach in Lake Clark National Park and Preserve, Alaska, United States of America, North America
Scenery along the Canyon Overlook Trail, Zion National Park, Utah, United States of America, North America
A hiker in Marble Canyon along the Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
View from Cape Royal Point of the north rim of Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Adult harbor seal (Phoca vitulina) hauled out on ice in Glacier Bay National Park, Alaska, United States of America, North America
Curious Steller sea lions (Eumetopias jubatus), South Marble Islands, Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America
Natural stone bridge of petrified wood called Keystone Bridge, located on Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America
A hoodoo shaped like a table top, on a cliff along the Blue Mesa in Petrified Forest National Park, Arizona, United States of America, North America
Large pieces of petrified wood on the west side of Red Basin in Petrified Forest National Park Arizona, United States of America, North America
Giant Sequoia, Mariposa Grove, Yosemite National Park, UNESCO World Heritage Site, California, United States of America, North America
Beautiful sight on The Petrified Forest Loop Trail inside Theodore Roosevelt National Park, North Dakota, United States of America, North America
A late day storm viewed from the cliffs above Papago Creek at Grand Canyon, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Hills of blood red bentonite clay below Kachina Point in Petrified Forest National Park, Arizona, United States of America, North America
Grand Canyon view north of Point Imperial with Woolsey Butte on the left and Mount Hayden on the right, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Colter Lake in Grand Teton National Park, Wyoming, United States of America, North America
Mammoth Hot Springs Terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
The lower Yellowstone Falls in the Yellowstone River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Boulders in Devil's Playground called Gnomes of Desolation, Petrified Forest National Park, Arizona, United States of America, North America
A rock bridge in Devil's Playground where Trolls could hide, Petrified Forest National Park, Arizona, United States of America, North America
The desolate Hellscape of Devil's Playground in Petrified Forest National Park, Arizona, United States of America, North America
An adult Mexican jay (Aphelocoma wollweberi), Big Bend National Park, Texas, United States of America, North America
Red rock formations known as hoodoos in Bryce Canyon National Park, Utah, United States of America, North America
Red rock formations known as hoodoos in Bryce Canyon National Park, Utah, United States of America, North America
The Great Mohave Wall at Grand Canyon viewed just west of Monument Creek, part of the canyon below this cliff wall, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon viewed from Pima Point at sundown, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon viewed from Powell Point under moonlight, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Grand Canyon with Yuma Point on the left and Hermits Rest on the right, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
A small hill of gray bentonite clay that appears to be melting into the purple bentonite of Hamilili Valley on the south end of Petrified Forest National Park, Arizona, United States of America, North America
Saguaro cactus (Carnegiea gigantea), Saguaro National Park, Arizona, United States of America, North America
Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Colorado River viewed from the cliffs of Desert View Point at Grand Canyon South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Deep chasm view from Grandview Point at Grand Canyon South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
Adult bison (Bison bison) crossing the highway in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Margerie Glacier in Glacier Bay National Park, UNESCO World Heritage Site, Southeast Alaska, United States of America, North America