Old growth forest at Washington's Olympic National Forest

Old growth forest at Washington's Olympic National Forest

Cruise ship and Mount Desert Island, Acadia National Park, Maine

Pyramid of Pines

Snow and Autumn trees, Adirondack Mountains

Snow and Autumn trees, Adirondack Mountains

Fog Over Green Mountains of Vermont near Stowe

Adirondack Mountains

Misty mountains in Yosemite Valley

Autumn color at Porcupine State Park, Michigan's Upper Peninsula, Michigan

Forest of Pine Trees, Colorado

Native trees at Hunter Island near Hilton Head, South Carolina

View of green leaves on branches and trees (digital composite)

Drawing of a pair of trees

Signs & Symbols - line art Asia Details from a woolen carpet woven in Iran but found in Siberia. The area known as Siberia (Tatar for "sleeping land") is a seemingly limitless expanse of forest, mountain ranges, plains and tundra. It extends from the

Signs & Symbols - line art Asia Details from a woolen carpet woven in Iran but found in Siberia. The area known as Siberia (Tatar for "sleeping land") is a seemingly limitless expanse of forest, mountain ranges, plains and tundra. It extends from the

The family sitting on the green book with the wind power plant

Greenery on forest floor