Purple flowers and pine trees. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8819.html Hills in summer. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25463.html Blue clear waters in Sapphire Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21272.html Bushes and rolling Hills in summer, Specimen ridge. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8781.html Gentle slopes covered with summer wildflower. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25462.html Grand Geyser, tallest of the regularly erupting geysers in the Park. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8798.html Sapphire Pool, afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21271.html Grand Geyser eruption, afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8799.html Backlit ridges of Absaroka Range from Dunraven Pass, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8789.html Rocks and flowers on Specimen ridge, sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8786.html Falls of the Yellowstone River, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21246.html Cow moose reaching for plant. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8820.html Soda Butte Creek, Lamar Valley, dawn. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8772.html Buffalo in creek, Hayden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8815.html Morning Glory Pool, midday. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8794.html Petrified tree. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8775.html Bright colors of morning Glory Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8796.html Lamar River, Lamar Valley, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8774.html Meadow and bend of the Yellowstone River, Hayden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21254.html Rocks, grasses, and hills, Specimen ridge, late afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8783.html Rocks and grasses on Specimen ridge, late afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21255.html Yellow flowers on slope below Mt Washburn, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8790.html Flowers on slope below Mt Washburn, sunrise. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21258.html Grasses and flowers on Specimen ridge, sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8785.html Falls of the Yellowstone River, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8812.html Beauty Pool. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21273.html Trees and bend of the Yellowstone River, Hayden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8816.html Hills from Specimen ridge, late afternoon. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8780.html Buffalo herd in Lamar Valley, dawn. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8773.html Buffalo, Hayden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8814.html Morning Glory Pool with hikers. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8795.html Grasses and flowers on Specimen ridge, sunset. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8784.html Flowers and Mt Washburn, sunrise. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8788.html Wide valley and stream in summer. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell25459.html Bison and creek, Hayden Valley. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8813.html Lupine at the base of burned forest. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8792.html Yellow summer flowers and Mt Washburn, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21259.html Grasses and Yellowstone Lake near Stemboat Point, morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8818.html