Jenny Lake Tetons
An autumn snowstorm frosts the Tetons and Cascade Canyon along Jenny Lake.
Snowy Peaks
Teton Sunrise at Blacktail Ponds
Sunrise illuminates lenticular clouds over the Tetons at Blacktail Ponds.
A Snowball's Chance
A singular snowball hides in a nook of the terrace steps at Mammoth Hotsprings.
Sunrise Over Lamar Buffalo Ranch
Snowshoeing as sunrise illuminates the Lamar Buffalo Ranch, Lamar Valley, Yellowstone National Park, Jan 24, 2019.
Hoarfrost Dawn
At dawn in the Lamar Valley it was -30C (-22F) and a freezing mist formed hoarfrost on the trees and animals, Yellowstone National Park, Jan 29, 2019.
Freezing Mist
Below zero temperatures cause a freezing mist from the Lamar River and trees covered in hoarfrost.
Madison River Valley
Bison graze after a spring storm in the Madison River Valley, Yellowstone National Park, May 7, 2019.
Madison Valley Mist
After a spring storm, the mist hung over the hills of the Madison River Valley, Yellowstone National Park, May 7, 2019.
Winter Reflection
Moonrise ove Elk Creek
The moon rises at dusk over Elk Creek valley in Yellowstone.
Last Light
The last light of sunset illuminates the ridge over rugged country along the Yellowstone River.
Firehole Cascade
Firehole Thermals
Thermals along the firehole river generate extra steam in winter.
Hotsprings Pool in Winter
Bobby Sock Trees
Silica sinter - disolved silica in hotsprings water - is taken up by trees around springs casusing the white base or bobby socks.
Old Faithful Geyser
A crowd of people watch the erruption of the Old Faithful geyser.
Bison at the Madison Confluence
A string of bison pass by near the confluence of the Gibbon and Firehole rivers to form the Madison River.
Crossing the Madison
Yellowstoe's interior bison herd crosses the fridged Madison River as it moves up the valley.
Undine Falls in Winter
Undine Falls on Lava Creek is held under winter's spell.
Gardner River at Dawn
An elk herd begin to stir along the Gardner River as dawn strikes the peak tops.
Dawn Breaks over the Frozen Lamar Valley
The Lamar River valley was flooded with a freezing mist as the temperature plunged to -30C (-22F). As dawn broke the sun touched Specimen Ridge above the valley with the promise of precious warmth.