Curwood Castle is a historic structure located in Owosso, Michigan. Built in 1923 by author James Oliver Curwood, the castle was designed to resemble a medieval fortress. It features unique architecture, including turrets and stone walls, and is surrounded by beautiful gardens. Today, Curwood Castle serves as a museum dedicated to Curwood's life and works. Visitors can explore the castle's interior, which showcases artifacts related to his writing career and the natural environment he cherished. The site is also a popular location for community events and educational programs.