Yellowstone National Park, WY trees growing among the fumeroles.

Along the Yellowstone River

Foggy morning in southern Yellowstone.

Mount Moran, Grand Teton National Park, WY

Gnarly tree in Grand Teton National Park

Regrowth after a fire in Yellowstone National Park, WY

Yellowstone NP

Yellowstone NP

Yellowstone NP

Duck Island, Glacier National Park, Montana

Windblown trees at the treeline, Glacier National Park, Montana

Trees among the rocks, Washington pass, Washington

Islands in the lake North Cascades National Park, WA.  The water is pale green from the 'glacial flour' ground rock formed by glacial activity.

Broken-off tree along lake at North Cascades National Park, WA

Moss covered rocks and logs along trail in North Cascades National Park, WA