One might not expect a small Wisconsin town in the middle of the state to make much of a distinction on a map, but Spring Green bucks this trend. First, Frank Lloyd Wright built the local and well-known landmark, Taliesin, and second, Ringbrothers set up shop. Brothers Mike and Jim Ring have been building cars together since 1994 and have been responsible for creating some of the most talked-about custom muscle cars of the past few years. We took a look at where they started and went for rides with their '65 Mustang "Producer" and '64 Fairlane "Afterburner".