Sable Antelopes, Shimba Hills, Kenya, Africa, 1970

Sea Lion, Santiago Island, Galápagos Island, Galápagos Islands, May 10, 1966

Moss on Rock with Aspen Leaves, Maroon Lake Road, Aspen, Colorado, October 4, 1951

Mount Meru, Arusha National Park, Tanzania, Africa, July 7, 1970

Elephant Close-Up, Tsavo East, Kenya, 1970

Elephants, Tsavo East, Kenya, Africa, 1970

Fig Tree Roots, between Loreto and San Javier, Baja California, Mexico, March 8, 1964

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

Cactus and Granite Rocks, near Rosarita, Baja California, Mexico, March 29, 1964

Palms and Corral, Arroyo Catarina, Baja California, August 1, 1966

Galápagos Tortoise and Vermilion Flycatcher, Santa Cruz Island, Galápagos Islands, April 19, 1966

Coloane, 1981

Pyramid of Cheops with Inscription, Giza, Egypt, February 4, 1973

Masai Giraffes, Serengeti, Tanzania, February 1970

Moon and Evening Clouds, Tesuque, New Mexico, June 3, 1977

Termite Tunnels on Tree Trunk, Marsabit National Park, Kenya, June 23, 1970

Beach Boulders and Lichen, Little Spruce Head Island, Maine, August 24, 1973

Cirio and Mountains, near Turnoff to Bahia San Luis Gonzaga, Baja California, Mexico, August 15, 1966

Llo Molo Women, Lake Rudolf, Kenya, Africa, 1970

Cheetah Pulling Down Grants Gazelle, Amboseli, Kenya, 1970