Brook and Moss, North of Dalvik, Iceland, July 20, 1972

Swallowtail Gull and Nest, Plazas Island, Galápagos Islands, March 7, 1966

Flowers and Granite Rock, Samburu National Park, Kenya, June 20, 1970

View West from Road Above La Calentura, Baja California, July 26, 1966

Sand Dune, Death Valley, California, May 3, 1974

Graveyard, Santa Catarina Landing, Baja California, Mexico, July 30, 1966

Barrel Cactus near El Arenoso, Baja California, July 27, 1966

Idria Columnaris, Valley near Rosarito, Baja California, Mexico, March 29, 1964

Ground Cover near Rosarito, Baja California, August 6, 1966

Granite and Bush, Sierra de Juarez, Baja California, July 23, 1966

Red Crabs on Stump, Isla Mosquera, Galápagos Islands, March 8, 1966

Forest and Fog, Marsabit National Park, Kenya, June 23, 1970

Sorrel and Yarrow, Oak Island, Maine, June 26, 1982

Lake Nakuru, Kenya, 1970

Lion Head, Amboseli, Kenya, Africa, 1970

Llo Molo Children, Loiyengalani, Kenya, 1970

Impala, Amboseli, Kenya, Africa, 1970

Ocotillo, Camp near Rancho Arrastras, Baja California, August 16, 1966

Maasai, Engaruka Plains, Tanzania, Africa, 1970

Grave Yard Wall, Dirego Island, Maine, July 16, 1963