The Black Hills of South Dakota (Oct 21/13)  –  While cruising down the highway at Gizmo speed, N&J were afforded the opportunity to read countless (seemed like thousands) of billboards expounding the virtues of WALL DRUG. “Coffee 5 cents – 120 miles to Wall Drug”, “Free Ice Cold Water – Only 78 miles to Wall Drug”. What the heck is Wall Drug??? click on pic to enlarge – right/left arrow to scroll thru the gallery Well, after arriving in the town of Wall, South Dakota (just outside the Badlands), N&J finally discovered what all the hoopla was about. This small, quaint town of a few hundred has it’s own historic…