Altavista petroglyphs - Nayarit, Mexico

Last week Melissa and I decided to check out the petroglyphs at the Altavista archeological site while on vacation in Mexico. If you're ever in the Puerto Vallarta area and feel like having a little adventure I'd recommend checking this place out. It's not the easiest place to get to (unless you're willing to hike in or have a really high clearance vehicle) and a little difficult to find but it's totally worth the effort once you get in there. 

You can find very detailed directions and more information on this guys site.