Old Faithful - Winter
Old Faithful Geyser as seen on a cold winter day in Yellowstone National Park 2010.
Shining Ghost Trees
Crystalized white pine trees shine brightly in Yellowstone National Park 2010.
Pool & Ghost Trees
Ice covered ghost trees line a pool of steaming water in Yellowstone National Park 2010.
Oddly Shaped Ghost Trees
Years of steam and layers of ice have deformed some pine trees in Yellowstone National Park 2010.
Ghost Trees & Blue Pools
A blue pool of water contrasts the bright white of the ghost trees it has created during the winter in Yellowstone National Park 2010.
Heating a Cold Yellowstone National Park
Geothermal features like this vent help to warm the cold winter days in Yellowstone National Park 2010.
Faded Reflections
Sun shines through the steam and is reflected in the waters of a geothermal pool in Yellowstone National Park 2010.
Trees in the Mist
A fog of geothermal pool created steam envelopes the ghost trees in Yellowstone National Park's West Thumb 2010.
Ice Cakes
Steam from a geothermal pool has caked on small trees around it in Yellowstone National Park 2010.
Flowing Ice
Ice appears to flow back down to the hot pool that created it on this tree in Yellowstone National Park 2010.
Ducks on Yellowstone Lake
The warm shoreline waters of Yellowstone Lake harbor several ducks over the winter in Yellowstone National Park 2010.
River of Hot Water
A river of hot water winds its way through the cold white snows of winter in Yellowstone National Park 2010.
Yellowstone Lake Thermal Pool
Minerals harden around the steamy geothermal edge of Yellowstone Lake in Yellowstone National Park 2010.
Yellowstone Color
A pool of hot water along Yellowstone Lake brings color to the West Thumb in Yellowstone National Park 2010.
Rolling Fog
A rolling geothermal fog obscures the ghost trees of Yellowstone National Park's West Thumb 2010.
Color Contrasts in Yellowstone Winter
Water steams up melting the snow revealing the colors of a geothermal pool in Yellowstone National Park 2010.
Faded Sun
The sun is faded by a geothermal fog in Yellowstone National Park 2010.
Rays of Sunlight
Rays of sunlight penetrate the fog through the ghost trees in Yellowstone National Park 2010.
Yellowstone Frozen Forest
A frozen forest of ghostly pine trees stands in Yellowstone National Park's West Thumb 2010.
Icy Trees
Ice covers trees thickly in Yellowstone National Park's West Thumb 2010.
Warm Sun & Snow Covered Fields
Sun shines through the steamy fog and is reflected in a small geothermal pool in Yellowstone National Park 2010.
Wintery Waterfall
This waterfall appears to be frozen in Yellowstone National Park 2010.
Yellowstone Mountains
The snow covered and pine forested mountains in Yellowstone National Park 2010.
Spring Snow in the Canyon
Snow remained in Yellowstone Canyon during the later days of May in Yellowstone National Park 2010.
