Photos from Rio de Janeiro, Brazil, June 2003, during the 8th International Conference on Nursing Informatics.

Photos from Badlands National Park, South Dakota, August 1991, featuring almost every color of the visible spectrum.

Photos from Mt. Rushmore National Memorial, South Dakota, August 1991.

Photos from the Grand Tetons and Yellowstone National Parks, August 1991.

Photos from Grand Canyon National Park, Arizona, July 1991. A study in grays and blues and browns, with a touch of green.