Emerald Pool, Black Sand Basin, Yellowstone National Park, Wyoming
Lake Yellowstone from Storm Point, Yellowstone National Park
Lower Falls of the Yellowstone, Yellowstone National Park
Midway Geyser Basin, Yellowstone National Park, Wyoming
Grand Prismatic Spring, Middle Geyser Basin, Yellowstone National Park
Pronghorn Fawns, Yellowstone National Park, Wyoming
Bison along the Madison River, Yellowstone National Park
Big Horn Sheep, Yellowstone National Park, Wyoming
Marmot near Storm Point, Yellowstone National Park
Lake Yellowstone from Storm Point, Yellowstone National Park
Late May, Grand Loop Road near Lake Hotel, Yellowstone National Park
Lower Geyser Basin, Yellowstone National Park
Hayden Valley, Yellowstone National Park
Trumpeter Swans, Firehole River, Yellowstone National Park
Bison near Storm Point, Yellowstone National Park
Lake Yellowstone from Bridge Bay Campground, Yellowstone National Park
Near the Northeast Entrance, Yellowstone National Park, Wyoming
Elk in Bridge Bay Campground, Yellowstone National Park
Algae, Middle Geyser Basin, Yellowstone National Park
Mammoth Hot Springs, Yellowstone National Park, Wyoming
Grand Canyon of the Yellowstone, Yellowstone National Park
Old Faithful Inn, Yellowstone National Park, Wyoming
Grand Prismatic Spring, Yellowstone National Park, Wyoming
Bison near Madison Campground, Yellowstone National Park, Wyoming
Sapphire Pool, Biscuit Basin, Yellowstone National Park, Wyoming
Grand Canyon of the Yellowstone, Yellowstone National Park, Wyoming
Big Horn Sheep, Yellowstone National Park, Wyoming
Morning in Yellowstone National Park
Pronghorn, Yellowstone National Park, Wyoming
Grizzly Bears, Yellowstone National Park, Wyoming
West Thumb Geyser Basin, Yellowstone National Park
Algae, Norris Geyser Basin, Yellowstone National Park
Algae and Pool, Norris Geyser Basin, Yellowstone National Park
Old Faithful Geyser, Yellowstone National Park
Norris Geyser Basin, Yellowstone National Park
Coyote, Yellowstone National Park, Wyoming
Algae, Mammoth Hot Springs, Yellowstone National Park
Liberty Cap, Mammoth Hot Springs, Yellowstone National Park
Norris Geyser Basin, Yellowstone National Park
Spouter Geyser, Black Sand Basin, Yellowstone National Park
Black Sand Basin, Yellowstone National Park
Black-Billed Magpie, Yellowstone National Park
Mammoth Hot Springs, Yellowstone National Park
Mammoth Hot Springs, Yellowstone National Park
Algae, Norris Geyser Basin, Yellowstone National Park
Lake Hotel, Yellowstone National Park
Glacier Lily, Bridge Bay Campground, Yellowstone National Park
Harlequin Ducks, Yellowstone River, Yellowstone National Park, Wyoming
Clear Lake and Wapiti Trails, Yellowstone National Park
Basalt Cliffs, Calcite Springs Overlook, Yellowstone National Park
Mammoth Hot Springs, Yellowstone National Park, Wyoming
Bison, Yellowstone National Park, Wyoming
Bald eagle, Yellowstone National Park, Wyoming
Bugling Elk, Yellowstone National Park, Wyoming
Pronghorn, Yellowstone National Park, Wyoming
Mammoth Hot Springs, Yellowstone National Park, Wyoming
Morning Dew, Bridge Bay Campground, Yellowstone National Park
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