All we did today was drive up to Carlsbad and see the Carlsbad Caverns. It was about a three and a half hour walk through the cavern. Cost about $10/person but worth the price. We decided to buy a park pass for $80 and they took off the price of our Grand Canyon ticket. Now any national park is free. I think we'll get our money's worth out of the pass. If you go to the caverns, don't bring a coat. It's in the mid 50's inside but you're walking up and down so much that you are plenty warm.Read more