La Sección Aurea, the Golden Section

Gibbon Falls, 84 Feet

Mud Cracks and Pool, near House Rock Rapids, Marble Canyon, Arizona, June 13, 1967

Great Falls, from Red Rock

Mesa Encantada. On the Way Up. Fifth, and Top Landings.

Moraines on Clear Creek, Valley of the Arkansas, Colo.

Iceland

Galápagos

Sea Lions, Barrington Island, Galápagos Islands, May 20, 1966

Galápagos

Propylaea, Acropolis, Athens, Greece, April 1, 1967

Souniun, Greece, April 5, 1967

Mallia, Crete, March 1970

Theater of Dionysus, Athens, Greece, March 1970

Leap

Burnt Quarry

Iron Worker

Mine Disaster

The Municipal Building

Rima