Upwards view toward canopy of towering old-growth redwood trees, Muir Woods National Monument, Marin County, California

upwards view canopy towering oldgrowth redwood trees muir woods national monument marin county california old growth forest oldgrowth redwood mill valley coastal redwood picturesque redwood sequoia sempervirens ecology muir woods nature preserve golden gate national recreation area forested national park timber national park service forested park pacific coast trees john muir mount tamalpais forest park nature outdoors us usa united states forestry wilderness scenic environmental serenity green verdant greenery environment tranquil sounds of nature slow motion no people