Our Senior Photographer, Randy Langstraat, wrote a nice piece for us back in Issue 2 of OutdoorX4 Magazine on the various types of rock art (petroglyphs and pictographs) scattered throughout the American southwest. We've republished it onto the OutdoorX4 website and it's an excellent, brief guide on areas to visit and explore in search of American Rock Art. Check it out here:
https://outdoorx4.com/stories/back-time-in-the-american-southwest/
https://outdoorx4.com/stories/back-time-in-the-american-southwest/