Burg Linn is a historic castle located in the city of Krefeld, Germany. Built in the 12th century, it served as a defensive structure and residence for local nobility. The castle features a well-preserved tower and surrounding walls, showcasing medieval architecture. Today, Burg Linn is a popular tourist attraction and houses a museum that highlights the region's history. Visitors can explore the castle grounds, enjoy scenic views, and learn about the cultural heritage of North Rhine-Westphalia. The site also hosts various events and activities throughout the year.