One of my favorite drives is on Alt US14 from Spearfish to Deadwood. If you do it on a motorcycle try to find a time when traffic is light and do it in both directions. At least once fast to enjoy the twisties
and once slow to enjoy the scenery.
2005 Monaco Knight 40PLQ; Cummins 8.3L ISC330, Pacbrake, Allison 3000, Roadmaster RR8R, ScanGauge D, 2004 Kawasaki Vulcan VN750(Geezer Glide) on a Versahaul carrier pulling a 2013 Kia Soul+; 2.0L, 6 speed Sport shifter(great car) on an American Car Dolly(great dolly.)