There’s an excellent road-trip one can take, which starts in Las Vegas, on to Bryce Canyon, then Zion National Park. Bryce/Zion are beyond-words beautiful places, and you should go. I was happy to discover a way to publish a number of monster-panorama photos leveraging the genius of http://openzoom.org/ . Here is one of them for your viewing pleasure:

http://www.planetofidiots.com/flexCraps/openZoom/zion.html