Fallen Columns, Temple of Zeus, Olympia, Greece, April 14, 1967

Mangrove Roots, Cartago Bay, Isabela Island, Galápagos Islands, May 9, 1966

Brown and Black Lava and Cinders, Bartholomew Island, Galápagos Islands, May 12, 1966

Saltwort, Red Clay, Black Rocks, San Cristobal Island, Galápagos Islands, May 23, 1966

Crater Lake, San Cristóbal Island, Galápagos Islands, May 25, 1966

Scalesia Tree with Moss, Santa Cruz Island, Galápagos Islands, April 23, 1966

View North from Top, Santa Cruz Island, Galápagos Islands, April 22, 1966

Rim of Volcano, Alcedo Volcano, Isabela Island, Galápagos Islands, May 5, 1966

Cactus on Headland, Buccaneer Cove, Santiago Island, Galápagos Islands, May 10, 1966

Dry Grey Vegetation in Lava, Sullivan Bay, Santiago Island, Galápagos Islands, May 11, 1966

Opuntia and Salicomia, Post Office Bay, Floreana Island, Galápagos Islands, May 31, 1966

Scalesia and Mora Junction, Santa Cruz Island, Galápagos Islands, April 20, 1966

Mangrove Roots, Cartago Bay, Isabela Island, Galápagos Islands, May 9, 1966

White Mangrove Roots, Cartago Bay, Isabela Island, Galápagos Islands, May 9, 1966

Palo Santo, Cactus and Lichen, Barrington Island, Galápagos Islands, May 21, 1966

Oxidized Brown Lava and Cinder, Bartholomew Island, Galápagos Islands, May 12, 1966

Geospiza scandens, Academy Bay, Santa Cruz Island, Galápagos Islands, April 29, 1966

Fur Seal, Alcedo Camp on Isabela Island, Galápagos Islands, May 6, 1966

Young Frigate Bird, Pitt Point, San Cristobal Island, Galápagos Islands, May 23, 1966

Blue-footed Booby, Punta Suarez, Hood Island, Galapagos Islands, May 28, 1966