Dutch castles are historical structures found throughout the Netherlands, showcasing a variety of architectural styles from the Middle Ages to the Renaissance. Many were built for defense, featuring moats, thick walls, and towers. Today, these castles serve as museums, hotels, and event venues, attracting visitors interested in Dutch history and culture. Some notable examples include Kasteel de Haar, the largest castle in the Netherlands, and Muiderslot, a well-preserved medieval fortress. These sites often host festivals, exhibitions, and guided tours, allowing guests to explore the rich heritage and stories behind these magnificent buildings.