Hip and historic, North Park fascinates with its commercial energy and Craftsman charm. The community has always embodied an enterprising spirit. In the 1870s, cronies of Alonzo Horton mapped neighborhoods north of Balboa Park in a patchwork of individual subdivisions. Four decades later, John Spreckels's streetcars finally brought investors, residents, and shopkeepers, creating San Diego's slice of Bungalow Heaven. Baseball great Ted Williams played...