The city of Whitehall, skirting the eastern edge of Columbus, Ohio, is an undiscovered treasure of postwar America. The Lustron Corporation, based in Whitehall, lays claim to the origins of the prefabricated housing industry. The nation's first shopping center, the Town and Country, was built in the village in the late 1940s. The National Road passes through Whitehall, which helped create businesses offering lodging, meals, and entertainment on par...