Sand Dunes and Grass, Great Sand Dunes National Monument, Colorado, May 31, 1975

Thorny Palm, Tortuguero Park, Costa Rica, March 7, 1984

Cracked Mud, Palo Verde Park, Costa Rica, March 14, 1984

Portico, Temple of Sethos I, West Thebes, Egypt, January 22, 1973

Willows, Hahns Peak Road, Colorado, May 27, 1975

Mountainside, Rabbit Ear Pass, Colorado, May 28, 1975

Vine on Tree Trunk, Tortuguero Park, Costa Rica, March 8, 1984

Limestone Outcrop in Dry Tropical Forest, Palo Verde Park, Costa Rica, March 14, 1984

Beaver House, Maroon Lake, End of Ashcroft Road, Colorado, May 24, 1975

Moon and Evening Clouds, Tesuque, New Mexico, September 1959

Cloud Formations, Tesuque, New Mexico, May 1981

Sunset Clouds, Tesuque, New Mexico, July 1977

Rainbow, Tesuque, New Mexico, June 1977

Wallpaper Fragment, Aspen, Colorado, October 3, 1951

Flowering Bushes, North Fork of Gunnison, near Oliver, Colorado, May 24, 1975

Lamasery, North of Baotou, Inner Mongolia, China, October 2, 1981

Yuantong Monastery, Kunming, China, 1981

Shop, Turfan, Xinjiang, 1981

Shihezi, Textile Mill, 1981

Lamasery Near Baotou, 1981