If you are going to see the Grand Canyon, might as well see the Red Rocks of Sedona. On the way from the Grand Canyon to Las Vegas, stop and see the Hoover Dam. I am doing somewhat what you are doing, but driving from Phoenix, to Vegas, to Grand Canyon, to Sedona, to Phoenix. Have fun!
K9
"The difference between the mile and the marathon is the difference between burning your fingers with a match and being slowly roasted over hot coals."
-Hal Higdon-
"You have to forget your last marathon before you try another. Your mind can't know what's coming." -Frank Shorter-