Pictographs and petroglyphs are interpreted in Canyon de Chelly: American History, Heritage and Tradition
, at noon and 2 p.m., Wednesday, July 18. Pre-Columbian archaeological sites are explored in Those Who Came Before
, at noon and 2 p.m., Saturday, July 21; free. Reservations are required, but must be made no earlier than one week in advance; call between 9:30 a.m. and 5 p.m., Monday through Friday; or from 10 a.m. to 5 p.m., Saturday. Visit wnpa.org
for directions or more information.