This view of the Roosevelt Arch greets visitors as they approach the North Entrance of the park from Gardiner, MT.
One of the best known geysers in the world, Old Faithful erupts in Yellowstone National Park.
Mound Terrace at Mammoth Hot Springs
Calcium Carbonate formations at Mammoth Hot Springs
Sunset on Palette Spring at Mammoth Hot Springs
Water trickles over the face of Rustic Falls in Yellowstone National Park.
The Lower Falls of the Yellowstone River as seen from Artist Point in the Grand Canyon of the Yellowstone.
A bison in the process of shedding it's winter coat strolls through a field in Yellowstone National Park.
Three bison graze on the plains in Yellowstone National Park.
Colorful thermophiles form beautiful abstract patterns around the perimeter of Crested Pool in the Upper Geyser Basin.
A group of Pronghorn Antelope keep watch in Yellowstone National Park's Lamar Valley.
Bison frequently interrupt the flow of traffic on the roads in Yellowstone National Park.
The Lower Falls of the Yellowstone River as seen from Red Rock Point in the Grand Canyon of the Yellowstone.
Castle Geyser erupts in Yellowstone National Park's Upper Geyser Basin.
Burned lodgepole pine trees stand above new pine growth in Yellowstone National Park.
Grand Geyser as seen from Castle Geyser.
The Lower Falls of the Yellowstone River as seen from Uncle Tom's Trail in the Grand Canyon of the Yellowstone.
A road sign on the Beartooth Scenic Highway understates the frequent sharp corners the road follows.
An old shack sits on the road to the Meyer's Creek Ranger Station
An old fire truck is slowly swallowed by the weeds and grass in a southern Montana field.
