Schloss Drachenburg is a stunning neo-Romanesque castle located on the Drachenfels hill in Bonn, Germany. Built between 1882 and 1884 by the wealthy entrepreneur Stephan von Sarter, the castle features intricate architectural details and beautiful gardens, making it a popular tourist destination. The castle is not a royal residence but rather a private villa, showcasing the opulence of the late 19th century. Visitors can explore its lavish interiors, including a grand staircase and impressive halls, while enjoying panoramic views of the Rhein River and surrounding landscape from its terraces.