4: Hammond Castle, Gloucester, Massachusetts
John Hays Hammond, Jr., known as "The Father of Remote Control," built his castle from 1926-1929 as a wedding present for his wife Irene, and to house his collection of Roman, Renaissance, and medieval artifacts. Second only to Thomas Edison, John Hammond, Jr. created ideas for over 800 inventions and held over 400 patents. A self-guided tour takes the castle-goer through the great hall, the Renaissance dining room, two guest bedrooms, the inventions exhibit room, kitchens, library, and other parts of the home.
Address: 80 Hesperus Ave, Gloucester, MA 01930