Located in beautiful Marblehead, Herreshoff Castle is a hidden Gothic structure embellishing the town. Inspired by Erik the Red’s Viking property located in Greenland, Waldo Ballard built the castle in 1920. It was later sold to Francis Herreshoff in 1945. The castle’s external facades are made of stone walls covered by climbing plants. It also features Gothic arched windows, wooden doors, and several turrets. The structure was formerly known as Brattahlid Castle, but was later renamed to honor its owner’s last name. Herreshoff, a Connecticut native, grew up in the…