Roadside Nevada County robin mayoff May 14, 2018 Nevada county has a few roadside attractions that are unique and fun to visit: Grass Valley robot This Tin Man and Tin Woman in Nevada City play Wizard of Oz music when you push his bellybutton. Rough and Ready has an entire mini town dedicated to Gold Mining history. More from Rough and Ready Clark's in Nevada City Old Shell station in Penn Valley (Bridgeport)