Two men in rain coats standing on the bases of Redwood trees in Henry Cowell Park, ca.1900 

Tent next to a stand of Redwoods in Henry Cowell Park, ca.1900 

Automobile by a small crater and Redwood trees in Henry Cowell Park, ca.1900 

Woman on horseback, standing on stump of big redwood tree in Mariposa Grove (Wawona Big Trees) in Yosemite National Park, California, ca.1900 

Men posing around a large tree in Visalia, Tulare County, 1900-1940 

Man standing next to an automobile below Redwood trees in Big Basin Grove, 1930-1940 

Four girls in bonnets standing next to the "Los Angeles" giant sequoia, a Big Tree in Mariposa Grove in Yosemite National Park, California, 1900 

Man with an ax standing on the base of a Redwood tree in Henry Cowell Park, ca.1900 

Man standing inside the large knot of a giant Redwood tree near Hanes Redwood Flat, [s.d.] 

Car passing through a rift in a huge tree at Big Basin Redwood State Park, ca.1935 

Several men posing next to large redwood trees in Henry Cowell Park, Santa Cruz county, California, ca.1900 

A man standing next to a large tree in Henry Cowell Park, ca.1900 

Redwood trees at Big Basin State Park, showing two men and a sign for the Redwood Inn at bottom 

Portrait of General Fremont, his wife, daughter and friends near a giant redwood tree in Big Trees Grove in Felton, California, 1888 

Troop "F" of the Kansas Sixth Cavalry stands on huge tree "the fallen monarch" in a Mariposa grove, Yosemite National Park, ca.1900 

Sixteen mounted soldiers of F Troop standing in front of "Grizzley Giant", a Big Tree in Mariposa Grove in Yosemite National Park, California, ca.1900 

Adam Harmer, first Superintendent of the Petrified Forest of Arizona, standing on a tree bridge, ca.1900 

A spectacular view of the canyon along the Bright Angel trail, Grand Canyon, ca.1900-1930 

Man helping a small child over the fallen trunk of a giant redwood tree, [s.d.] 

Three hikers at Pulpit Rock near the Grand Canyon Hotel in the Grand Canyon, ca.1900-1930