Villa Louis is a historic mansion located in Prairie du Chien, Wisconsin. Built in the late 19th century, it showcases a blend of Italianate and Victorian architectural styles. The villa was the summer home of the Dousman family, prominent figures in the region's fur trading and railroad industries. Today, Villa Louis is preserved as a museum, offering visitors a glimpse into the lifestyle of the wealthy during that era. The site features beautifully landscaped gardens and period furnishings, making it a popular destination for history enthusiasts and tourists alike.