4) Bannerman Castle, New York
Bannerman Castle sits on a 6.5-acre rocky island called Pollepel. It’s located on the Hudson River. The castle was designed by, and built for, Scottish immigrant Francis Bannerman, who is famous for selling army goods such as cannons, Civil War uniforms, and full ships. Bannerman needed the large space following the Spanish-American War when he bought 90% of the US army surplus. The castle has a turbulent history, though. Throughout the 20th century, the castle was hit by a gunpowder explosion, a ferryboat crash, and large blaze that lasted for three days.
