Lichen and Black Moss, Fjardarheidi, Road to Seydisfjordur, Iceland, July 29, 1972

Kelp and Sea Lettuce, Berufjordhur, on Road to Hofn, Iceland, July 30, 1972

Gate, Old Turf Farm near Laufas, Iceland, July 18, 1972

Marsh Reeds, South Coast, Iceland, August 5, 1972

Coast, North of Dalvik, Iceland, July 20, 1972

Mountainside with Cloud Shadow, Fagridalur, Iceland, July 28, 1972

Crevasse in Dirty Ice, Flaajokull, South Coast, Iceland, July 31, 1972

Corner of Temple of Concord, Agrigento, Sicily, March 20, 1967

Greek Temple, Segesta, Sicily, March 22, 1967

Ruined Temple, Agrigento, Sicily, March 20, 1967

Ruined Temple, Agrigento, Sicily, March 20, 1967

Orange and Yellow Lichen on Lava, Craters of the Moon, Idaho, July 2, 1975

Corner of Temple of Concord, Agrigento, Sicily, March 20, 1967

Outflow from Hagavatn (Lake), Central Iceland, August 11, 1972

Greek Theater, Segesta, Sicily, March 22, 1967

Dogwood in Oak Grove, Red River Gorge, Kentucky, April 17, 1968

Olive Orchard and Yellow Flowers, Segesta, Sicily, March 22, 1967

Redbud Tree in Bottom Land, Red River Gorge, Kentucky, April 17, 1968

Boulders in Upper Gorge, Red River Gorge, Kentucky, April 17, 1968

Red Volcanic Conglomerate, Fossardalur, Iceland, August 12, 1972