by Ashley Curtin  (all photos courtesy of VisitBajaSur) You can Have a Baja Moment (in time) as you walk through caves discovering collections of prehistoric art (rupestres) drawn on the sides of boulders and along rocky walls located in and around Mulegé. Geometric symbols, animals, human figures and life-sized murals adorn the narrow caves and rocky overhangs at La Trinidad, Piedras Pintas and San Borjitas—well-known rock art sights within the peninsula’s Great Mural Region. All of these are an easy day-trip from Mulegé .  The rock art famous to this area is primarily depicted in red and black coloring. The most common figures travelers …