Zion as a zoo is an understatement. I went in the off season and it was dead. Had the whole place to ourselves so to speak. AWESOME. Went back in August a couple years later. Bus lines were worse than Disney...and that was at 0630. We took a little drive through the one road they leave open and...
I'd say pick a region for a week, then move on to another. Everyone has different travel habits, but this one works for me.
The Heritage museum is in SLC, which is a long ways from both Moab and Zion/St. George (Zion's supporting city). Once you start digging you're going to find so much to...