Lava, Sullivan Bay, James Island, Galápagos Islands, March 10, 1966

Palo Santo and Lichen, Jarvis Island, Galápagos Islands, April 1, 1966

Iguana Herds, Espinosa Point, Fernandina Island, Galápagos Islands, April 9, 1966

Lava Pot, Sullivan Bay, James Island, Galápagos Islands, March 10, 1966

Young Mangrove on Lava, Espinosa Point, Fernandina Island, Galápagos Islands, April 3, 1966

Black Beach, Isabela Island, Galápagos Islands, April 10, 1966

Lava Crack, Sullivan Bay, James Island, Galápagos Islands, March 10, 1966

Surf, Sunset, James Bay, James Island, Galápagos Islands, April 11, 1966

Single Scalesia Tree, Santa Cruz Island, Galápagos Islands, April 23, 1966

Surf, Buccaneer Cove, Santiago Island, Galápagos Islands, May 9, 1966

Blow Hole with Rainbow, Hood Island, Galápagos Islands, May 29, 1966

Wild Tomatoes, Darwin Station, Santa Cruz Island, Galápagos Islands, April 28, 1966

Cactus and Seal-polished Rocks, Barrington Island, Galápagos Islands, May 20, 1966

Giant Cactus Grove, Barrington Island, Galápagos Islands, May 21, 1966

Bracken, Santa Cruz Island, Galápagos Islands, April 22, 1966

El Pintudo, Santa Cruz Island, Galápagos Islands, April 22, 1966

Lava Tube, Santa Cruz Island, Galápagos Islands, April 22, 1966

Cypress Knees, Corkscrew Swamp, Florida, February 7, 1974

Pond Cypress, Corkscrew Swamp, Florida, March 8, 1974

Frigate Bird Nest and Egg, Daphne Major, Galápagos Islands, March 8, 1966