A National Park Service traveling exhibit by artist Charles Harper is on display at Timpanogos Cave National Monument now through Dec. 21.

Charles Harper was born in 1922 in Frenchton, W.Va. He studied at the Cincinnati Art Academy and with the Art Students League in New York. He has worked as a commercial artist and later began free-lancing. Some of his work can be found in the Golden Book of Biology, The Animal Kingdom, Childcraft and World Book Encyclopedia.The Timpanogos Cave exhibit contains 13 silkscreened prints of animals and birds. The public is invited to view the exhibit from 8 a.m. to 4:30 p.m. daily at the Visitor's Center in American Fork Canyon.