Paroquia San Jeronimo, Coatepec, Veracruz, Mexico, January 21, 1956

Side Altar in Cathedral, San Cristobal de las Casas, Chiapas, February 9, 1956

Mexico, 1956

Altar in Santa Domingo, Chapa de Corzo, Chiapas, Mexico, February 16, 1956

Lichen on Lava Boulder, Craters of the Moon [National Monument], Idaho, July 1, 1975

Wall of River Gorge, Jokulas A Bru (River), Iceland, July 29, 1972

Mussel Shell and Moss, Great Spruce Head Island, Maine, July 27, 1973

Sardine Factory, Wilson Beach, Campobello, New Brunswick, Canada, August 19, 1974

Rolling Grassland, Between North Horr and Allia Bay, Kenya, June 25, 1970

Blue Crucifixion, Yanhuitlan, Mexico, March 4, 1951

Facade of Santa Maria de Tonantzintla, near Cholula, Puebla, Mexico, March 15, 1956

Mexico

Crosses in Cemetery, San Francisco Church, Oaxaca, Oaxaca, Mexico, February 23, 1956

Mexico, 1955-1956

White Church, Storm, Tepeaca, Mexico, 1955-1956

Virgin and Child in Wooden Niche, Amatenango del Valle, Chiapas, Mexico, 1955-1956

Mexico, 1955-1956

Mexico, 1955-1956

Mexico, 1955-1956

Algae and Sea Lettuce, Anemone Cave, Mount Desert Island, Maine, August 6, 1965