Host Bob McNeil takes a look at the inside stories behind eight of America's greatest achievements in innovation and craftsmanship. Restorers and craftsmen talk about the challenges associated with bringing these icons back to their original state. Episodes include the world's largest pipe organ; a 1920s fire engine; a "fish car" designed to transport live fish by train; a carousel; a World War II spy plane; one of the first U.S. yachts to round Cape Horn; and a famous steam locomotive.