Giant Cedars Boardwalk in the Columbia Mountains – an old-growth rain forest, in Mount Revelstoke National Park, British Columbia, Canada Stock Photo

RFTTCJWM–Giant Cedars Boardwalk in the Columbia Mountains – an old-growth rain forest, in Mount Revelstoke National Park, British Columbia, Canada

Old-growth forest and stream at French Creek Cedars. Kootenai National Forest in the Purcell Mountains, northwest Montana. (Photo by Randy Beacham) Stock Photo

RF2F5YEE9–Old-growth forest and stream at French Creek Cedars. Kootenai National Forest in the Purcell Mountains, northwest Montana. (Photo by Randy Beacham)

USA, Oregon, Willamette National Forest. Middle Santiam Wilderness, Old-growth forest with Douglas fir, western hemlock, western red cedar and vine maple. Stock Photo

RFWAK2GD–USA, Oregon, Willamette National Forest. Middle Santiam Wilderness, Old-growth forest with Douglas fir, western hemlock, western red cedar and vine maple.

Western Red Cedar (Thuja plicata) and Western hemlock, Tsuga heterophylla, Eden Grove, near Port Renfrew, Vancouver Island, BC, Canada Stock Photo

RF2BBEAGR–Western Red Cedar (Thuja plicata) and Western hemlock, Tsuga heterophylla, Eden Grove, near Port Renfrew, Vancouver Island, BC, Canada

Salmon Wild and Scenic River along Salmon River Trail, Mt Hood National Forest, Oregon Stock Photo

RF2J6RN0C–Salmon Wild and Scenic River along Salmon River Trail, Mt Hood National Forest, Oregon

A river of the temperate coastal rain forest, Tongass National Forest, Alaska, USA Stock Photo

RMH99JAE–A river of the temperate coastal rain forest, Tongass National Forest, Alaska, USA

Western Red Cedar, Thuja plicata, and Western Hemlock, Tsuga heterophylla, trees in Federation Forest State Park near Mount Rainier, Washington State, Stock Photo

RFWN4KFR–Western Red Cedar, Thuja plicata, and Western Hemlock, Tsuga heterophylla, trees in Federation Forest State Park near Mount Rainier, Washington State,

USA, Washington, Olympic National Park, Old-growth coniferous forest with western hemlock and western red cedar; near Lake Creek. Stock Photo

RMTWEH42–USA, Washington, Olympic National Park, Old-growth coniferous forest with western hemlock and western red cedar; near Lake Creek.

Old-growth western red cedar forest in summer. Purcell Mountains, northwest Montana. (Photo by Randy Beacham) Stock Photo

RFEBFH53–Old-growth western red cedar forest in summer. Purcell Mountains, northwest Montana. (Photo by Randy Beacham)

USA, Oregon, Willamette National Forest, Middle Santiam Wilderness, Old-growth forest with Douglas fir, western hemlock and western red cedar. Stock Photo

RMJGFY9N–USA, Oregon, Willamette National Forest, Middle Santiam Wilderness, Old-growth forest with Douglas fir, western hemlock and western red cedar.

Image captured from hiking trail at Silver Falls State Park. The rain forest type climate makes for very mossy branches on the trees. Stock Photo

RM2C13W0G–Image captured from hiking trail at Silver Falls State Park. The rain forest type climate makes for very mossy branches on the trees.

RMJGGFRK–USA, Oregon, Willamette National Forest, Middle Santiam Wilderness, Old-growth forest with Douglas fir, western hemlock, western red cedar and vine ma