If your visiting Las Vegas for the first time, i suggest taking a look at this site called www.lasvegaselitetours.com They provide all kinds of tour package for las vegas. They have great grand canyon packages, and also free comps for all kinds of casinos. Me and my mom took a trip to the Grand Canyon on a helicopter they provided. It was a memoral experience, its unbelievable how great the view is of the grand canyon from the sky. Take a look