Commonwealth Glacier, from the Air, Taylor Valley, Antarctica, 1976

Pothole, Galana River, Tsavo East, Kenya, October 20, 1970

Lugard's Falls, Tsavo East, Kenya, October 19, 1970

Northern Parula Warbler, Male, Great Spruce Head Island, Maine, June 29, 1945

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

El Molo Morani, Loiyengalani, Lake Rudolf, Kenya, June 27, 1970

Pool and Reflections, Grand Gulch, San Juan River, Utah, May 23, 1962

Ice Cave, near Scott Base, Ross Island, Antarctica, December 7, 1975

Evening Sun on Tree Trunk, Talek River Camp, Kenya, Africa, July 23, 1970

Sunset on Colorado at Kane Creek, Glen Canyon, Utah, October 1960

Nave of Church, Cuilapan, Oaxaca, Mexico, 1955-1956

Shrouded Cross, Xochimilco, Mexico, 1955-1956

Altar, Chiapa de Corzo, Chiapas, Mexico, 1955-1956

Mushrooms on Log, Adams Trail, Seney, Michigan, June 19, 1973

Altar, San Miguel Viejo, Mexico, 1955-1956

Balcony House. Detail.

Mus minimus, Aud & Bach., Little Harvest Mouse. Males & Females. Natural Size.

Untitled

Central City and Blackhawk, Colorado, 1873.

Sulphur Springs, Salt Lake