Scenic walkway among old-growth redwood trees in Muir Woods National Monument

walkway muir woods national monument redwood oldgrowth sequoia sempervirens muir woods nature preserve marin county golden gate national recreation area california forested national park lush timber coastal redwood national park service forested park pacific coast trees mill valley john muir mount tamalpais forest woodland park nature outdoors fresh air us usa united states ecology forestry wilderness scenic environmental picturesque serenity green evergreen verdant greenery environment tranquil oldgrowth redwood no people sounds of nature slow motion nobody