Trees with mountains in the background, Yosemite National Park, California, USA

Waterfall in a forest, Vernal Falls, Yosemite National Park, California, USA

Waterfall in a forest, Vernal Falls, Yosemite National Park, California, USA

Waterfall in a forest, Bridal Veil Falls, Yosemite Valley, Yosemite National Park, California, USA

Fog covered forest at dusk, Yosemite National Park, California, USA

Waterfall in a forest, Bridal Veil Falls, El Capitan, Yosemite Valley, Yosemite National Park, California, USA

Mountains covered with fog, El Capitan, Yosemite National Park, California, USA

Mule deer (Odocoileus hemionus) standing in a field, Yosemite National Park, California, USA

Close-up of a Mule deer (Odocoileus hemionus), Yosemite National Park, California, USA

Mule deer (Odocoileus hemionus) standing in a field, Yosemite National Park, California, USA

Mule deer (Odocoileus hemionus) standing in a field, Yosemite National Park, California, USA

Fog over a river, Klamath River, Redwood National Park, California, USA

Yosemite National Park California USA

Giant sequoia (Sequoiadendron giganteum) trees in a park, Redwood National Park, California, USA

Moss hanging from trees, Hoh Rainforest, Washington State, USA

Moss hanging from trees, Hoh Rainforest, Washington State, USA

Redwood trees in a forest, Humboldt Redwoods State Park, Humboldt County, California, USA

Giant sequoia (Sequoiadendron giganteum) tree in a park, Redwood National Park, California, USA

Mt Rainier National Park, Washington State, USA

Trees in a forest, Mt Shasta, California, USA

Silhouette of trees at sunset, California, USA

Silhouette of trees at sunset, California, USA

San Francisco, California, USA

River passing through a forest, Truckee River, Lake Tahoe Basin National Forest, California, USA

Park Ranger

Vacation in Yellowstone 2004 Linda Braucht (20th C. American) Computer graphics

Silhouette of three men standing on green hills and holding letters ISO to illustrate standardized forestry

An illustration of a couple hiking together

Trees in a forest, Yosemite National Park, California, USA