520-417-6960 or 800-288-3861, off AZ Hwy. 90 near Sierra Vista, AZ. Open dawn–dusk. Allow 2 hours.
Murray Springs, outside of Sierra Vista, features evidence of the Clovis culture—the earliest known people to have inhabited North America, as long as 11,000 years ago. The area also boasts one of the only mammoth-kill sites known.