Marble (Gypsum) Stairs, Hagia Triada, Crete, March 24, 1971

Main Staircase, Hagia Triada, Crete, March 24, 1971

Wall and Pebble Mosaic, Lato, Crete, March 26, 1971

Rock and Grass, Kanounou Point, Maui, March 3, 1979

Grave Circle, Mycenae, Greece, March 15, 1971

Grape Hyacinths in Foundation Stones, Epidaurus, Greece, March 17, 1971

Main Street Stairs, Lato, Crete, March 27, 1971

Consolidated Black Ash and Cinders, Langahlidh, Iceland, June 20, 1972

Rows of Column Drums, Olympia, Greece, March 18, 1971

Entrance Gate, Lato, Crete, March 27, 1971

Lion Gate, Inside, Mycenae, Greece, March 15, 1971

Pillow Lava, Saddle Road, Hawaii, Febraury 26, 1979

Honeycomb Lava, Nakalele Point, Maui, March 3, 1979

Village near Cuenca, Ecuador, June 1966

Village near Cuenca, Ecuador, June 1966

Snowy Mountainside, Route 6 to Climax, Colorado, May 30, 1975

Storm Clouds Over Dunes, Indian Springs, Colorado, September 11, 1976

Volcano Crater, Costa Rica, February 1, 1983

Tillandsia fasciculata, Corkscrew Swamp, Florida, February 7, 1974

Thallia, Corkscrew Swamp, Florida, February 9, 1974