Arizona: (9/30 - 10/3 & 10/14 for Grand Canyon) Petrified Forest National Park (I liked the natural bridge the best), was extremely windy Meteor Crater (be sure to see the space man at the bottom) Walnut Canyon National Park Sedona ("energy vortex" hikes)Note: I was invited to go to a "sweat lodge" (spiritual sauna). I didn't go. A week later (october 8th, three people were killed and many others injured in a similar lodge. Casa Grande Ruins National Park Biosphere 2 Grand Canyon National Park (after Nevada) (the extreme southeast part is best) Dinosaur footprints, eggs & dung (on an Indian Reservation) this is authentic