If you're going down that way, it would be worth seeing High Rock Canyon in Nevada. I did it on ATVs years ago. It's a fun ride... any ADV bike could do it.
How long are you going to take for this trip? I might be inclined to come along if you wanted some company.
'12 Suzuki V-Strom DL650
'96 Suzuki DR650
'10 Kawasaki KLX351S #320
'01 Yamaha FZ1