Cañon del Muerto from Mummy Cave

Eliot Porter in New York, 1958

Meyer's Ranch, Yosemite

Raceway above the Rapids, Looking Up Ausable Chasm

Pillow Lava, Saddle Road, Hawaii, February 26, 1979

Vine-covered Trees, Waikami, Maui, March 2, 1979

Wind-eroded Ash, Kleifarvatn, Iceland, June 21, 1972

Upper Structure, Lindos, Rhodes, Greece, April 8, 1971

Interior of Temple, Bassae, Greece, March 16, 1971

Steps of Theater, Knossos, Crete, March 23, 1971

Lava Boulders on Grass, Kanounou Point, Maui, March 3, 1979

Fractured Obsidian, Landmannalaugar, Iceland, June 29, 1972

Glaciated Basalt Columns near Kirkjubaejarklaustar, Iceland, July 3, 1972

Crater Interior, Hnappadalur, Snaefellsnes, Iceland, July 11, 1972

Gold Sand and Black Lava, Budhir, Snaefellsnes, Iceland, July 12, 1972

Wave-worn Rocks, Hellnar, Snaefellsnes, Iceland, July 14, 1972

Moss on Talus, near Laugarvatn, Iceland, June 25, 1972

Galápagos Penguins, Sombrero Chino, Galápagos Islands, March 11, 1966

Flightless Cormorants, Punta Espinosa, Fernandina Island, Galápagos Islands, April 8, 1966

Blue-footed Boobies, Tagus Cove, Isabela Island, Galápagos Islands, April 9, 1966