Hammond Castle Museum is a unique treasure on the coast of Gloucester, Massachusetts. It was constructed between the years 1926 to 1929, by inventor John Hays Hammond, Jr. to serve as his residence. Its architectural style is that of a medieval castle, and was custom built to encompass his private collection of artifacts spanning from ancient Rome through the Renaissance. Visitors are welcome to explore the many rooms of the castle with its medieval architecture and artifacts, as well as enjoy the beauty of the castle grounds and view of the Atlantic shore line. In addition, the Museum offers a number of educational programs and prearranged tour opportunities for school and tour groups.