Winter, Old Faithful Inn, Yellowstone National Park
Greg Sigrist
Frozen in the High Country
Greg Sigrist
Brilliant Winter Day
Greg Sigrist
Yellowstone Winter Geyser Basin Monochrome Photograph
Greg Sigrist
Deep Snow in the Back Country
Greg Sigrist
Dragons' Mouth Cauldron
Greg Sigrist
Bath Lake Terrace
Greg Sigrist
Lower Basin Runoff, Firehole River
Greg Sigrist
Terrace Hot Spring
Greg Sigrist
Old Faithful Geyser
Greg Sigrist
Firehole at Black Sand Geyser Basin
Greg Sigrist
Silex Hot Springs Photograph
Greg Sigrist
Fountain Paint Pots Thermal Area
Greg Sigrist
Gibbon River Falls
Greg Sigrist
Midway Geyser Basin Yellowstone National Park
Greg Sigrist
Beryl Hot Springs Yellowstone National Park
Greg Sigrist
South Rim Grand Canyon of the Yellowstone
Greg Sigrist
Fountain Paint Pot Yellowstone National Park
Greg Sigrist
Yellowstone Winter Geyser Basin Photograph
Greg Sigrist
Yellowstone Park Bombardier Snow Coach
Greg Sigrist
Yellowstone Old Faithful Inn, Winter
Greg Sigrist
Yellowstone River Canyon
Greg Sigrist