Single Scalesia Tree, Santa Cruz Island, Galápagos Islands, April 23, 1966

Vaccinium and Red Flower, Paramo, Cerro de la Muerte Park, Costa Rica, March 15, 1984

Snow on Sangre de Cristo Mountains from Roof of House in Tesuque, New Mexico, January 1, 1948

Ruined Church Window, Arroyo Hondo, New Mexico, September 1945

Telephone Poles and Railroad Signal near Carrizo Mountain, Carrizozo, Lincoln County, New Mexico, February 6, 1947

Telephone Poles and Railroad Signal near Carrizo Mountain, Carrizozo, Lincoln County, New Mexico, February 6, 1947

Mud Flakes, Canyon de Chelly, Arizona, August 20, 1953

Water Slide from Above, Long Canyon, Utah, September 21, 1965

Seep and White Deposit, Upper Waterfall, Emerald Pool, Zion National Park, Utah, May 10, 1969

[Pond and leaves]

Schoolhouse Window, Bodie Ghost Town, California, September 26, 1984

Groundsel Bark and Lichen, Teleki Valley, Mount Kenya, Kenya, February 13, 1970

Elephants at Water Hole, Tsavo East National Park, Kenya, Africa, 1970

Elephants at Water Hole, Tsavo East, Kenya, August 26, 1970

Giraffes, Serengeti Plain, Tanzania, Africa, February 1970

Lower Dead Branches on Large Spruce, Great Spruce Head Island, Maine, July 10, 1976

Go-Go

Door and Portal at Peñasco, New Mexico, April 14, 1940

Eroded Clay and Rock Flakes, Black Place, New Mexico, July 20, 1953

Black Place, Rocks, Concretions, New Mexico, September 1945