Phacelia, Walnut Bottoms, Great Smoky Mountains National Park, Tennessee, April 11, 1968

Avalanch Lilies, Mount Ranier National Park, Washington, July 21, 1975

Christ on the Cross, Cloister of Former Augustinian Mission Church of San Nicolas, Actopan, Hidalgo

Mexico, 1955-1956

Altar of Saint Lucy, Church of La Salud (Heath), San Miguel de Allende, Guanajuato

Church of San Diego, Santa Domingo, San Cristobal de las Casas, Chiapas, February 13, 1956

Figure of Christ, Acolman, Mexico

Mexico, 1955-1956

Columnar Basalt, Road To Allia Bay, Kenya, June 26, 1970

Seated Christ in Case, Izamal, Yucatan, Mexico, 1955-1956

Mexico, 1955-1956

Mexico, 1955-1956

Stone Regent, Red flowers, Oxmal, Mexico, 1955-1956

Former Basilica of Guadalupe, Mexico City, Mexico, 1955-1956

Mexico, 1955-1956

Maple Trees by Swift River, Passaconaway, New Hampshire, October 4, 1956

Apples on Tree After Frost, Tesuque, New Mexico, November 21, 1966

Reflections in Brook, Lichfield Park, Adirondack Mountains, New York, September 28, 1963

Tepotzotlan, Mexico, 1955-1956

Gravel and Mud at Edge of River Below Piute Rapids, San Juan River, Utah, May 24, 1962