Cell Phone Driving Tour — Simply dial a specified number at each tour stop and hear a brief 30-second description of the site's significance. This option can be used along with the free park brochure and tour map. 'How-to' instructions are available at the main Visitor Center.
Cost: Free (any fees associated with your phone plan apply)
Average Driving Tour Time: 1.5-2.0 hours
Last updated: April 14, 2015