Ancient indigenous rock carvings can be found all around Tucson. Among our favorite sites are the Coyote Mountain Petroglyphs hike, an easy 2 1/2-mile ramble out by Three Points west of Tucson (see www.localhikes.com
for details); and the glyphs at the Redemptorist Renewal Center (aka Picture Rocks Retreat), 7101 E. Picture Rocks Road. Since the RRC is private property, call in advance of a visit at 744-3400. You can get an introduction (albeit indoors) to the art form as recreated in various contemporary media at Petroglyphs Gallery, 4444 E. Grant Road. That's a good place to start, but hit the trail to see the right thing in person. Remember, as the hikers say: Take nothing but pictures; leave nothing but footprints.