Edge of Cypress Dome, Corkscrew Swamp, Florida, March 7, 1974

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

Lava and Lichen, Cerro Colorado, San Cristóbal, Galápagos Islands, March 7, 1966

Vegetative Island in Lava, Fernandina Island, Galápagos Islands, April 5, 1966

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

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

Kicker Rock, Galápagos Islands, May 22, 1966

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

Starfish in Shallow Water, San Cristobal Island, Galápagos Islands, May 23, 1966

Juvenile Green Heron, Academy Bay, Santa Cruz Island, Galápagos Islands, March 18, 1966

Flightless Cormorant, Punta Espinosa, Fernandina Island, Galápagos Islands, April 3, 1966

Volcano Crater, Costa Rica, February 1, 1983

Columns of Parthenon, Acropolis, Athens, Greece, March 6, 1970

Temple of Apollo, Delphi, Greece, March 11, 1970

Entrance Road, Knossos, Crete, Greece, March 18, 1970

Gutters, Hagia Triada, Crete, March 19, 1970

Mosaics, Pella, Macedonia, Greece, April 26, 1967

View East From Delphi Site, Delphi, Greece, March 10, 1970

Defense Gallery, Tiryns, Greece, March 12, 1970

Storage Jars and Flowers, Knossos, Crete, Greece, April 21, 1967