Some of his finds are known nationally such as "Rock City" in Chattanooga, Tennessee; famous for its painted barn advertisements throughout the Southeast.
Others are smaller places, many now closed and demolished, which survived on the drive by traffic on the adjacent highway.
Margolies photographed these locations during years of road-trips which totaled over 100,000 miles.
For example, it is interesting to find out for example how many "Paul Bunyan" giant statues have been erected over the years in many different states.
Margolies wrote many books on similar topics and most of them can be picked up quite inexpensively now on the used book market.