This was the number one highlight of a recent SW road trip. It is truly visually magnificent but what surprised me was how I really felt what a SACRED place it was. There is some kind of energy that surpasses just the physical beauty. I would HIGHLY recommend that anyone do a tour with a one of the local Navajo Tour Guides as they are allowed to take you on roads and places in the valley not allowed on the self-drive and can only be accessed with 4-wheel drive. You will see petroglyphs and hear important and interesting stories about everything you see. Just amazing!