Grand Canyon is great but skywalk is only a maybe
We did a Pink Jeep tour of the Grand Canyon from Las Vegas. It took about 10 hours. We drove out, went to the bottom in a helicopter and floated up the Colorado River and then back to the top in the helicopter. Up the top we went to a few lookouts and saw the skywalk. After all the other things we had done we didn't bother wasting the money. We don't regret not going out on it. However if you didn't do the helicopter flight it might be worth doing.We can really recommend the Pink Jeep tours.