The "Dave Bike" is a highly customized 1973 Harley-Davidson FLH built by Dave Marthe of Cleveland, Ohio, featuring specialty lighting, elaborate artwork, and an ear-splitting semi-truck air horn that produces a thunderous blast loud enough to rattle the entire museum. This one-of-a-kind machine is now a permanent exhibit at the Wheels Through Time Museum—known as "The Museum That Runs"—in Maggie Valley, North Carolina, where it stands among a celebrated collection of running antique American mot