Shrine on Pass to Chapala, Baja California, February 18, 1964

Temple of Artemis, Sardis, Turkey, April 3, 1970

Santo Domingo Church, San Cristobal, Chiapas, February 9, 1956

Side Entrance of Church, Yanhuitlan, Oaxaca, March 6, 1956

Eastern Goldfinch, Female, Illinois, August 6, 1941

Monument Valley, Arizona, October 1940

Whiskered Owl, Cave Creek, Chiricahua Mountains, Arizona, May 1959

Falls in Galana River, Tsavo East, Kenya, October 20, 1970

Elephant, Tsavo West, Kenya, Africa, August 23, 1970

Osprey, Penobscot Bay, Maine, July 1974

Interior of Ruined Church, Cuilapan, Oaxaca, February 25, 1956

Mitla Ruin, Oaxaca, February 22, 1951

Convent, Santo Domingo Church, Oaxaca, March 3, 1951

Giant Heather, Mount Kenya, September 8, 1970

Doum Palms, Tsavo River Road, Tsavo West, Kenya, October 13, 1970

Waterfall, Elves Chasm, Grand Canyon, Arizona, September 17, 1967

Algae on Gulf Shore, Puertecitos, Baja California, February 16, 1964

Moss on Tree, Mount Kenya, Kenya, Africa, September 1970

Brain Stones, (Concretions), Loiyengalani, Kenya, June 29, 1970

Brain Stones, (Concretions), Loiyengalani, Kenya, June 29, 1970