The castle, residence of the Grand Dukes until 1918, is now the Baden Regional Museum. Be sure to visit the 1st floor devoted to the Margrave Ludwig Wilhelm, «Louis the Turk» (trophies from the Turkish wars). There is a fine panoramic view from the top of the tower. You can reach the glasshouses in the botanical garden from the park.
visitors are not permitted inside the castle - botanical garden and greenhouses 10am-noon, 1pm-4.45pm, weekends 10am-noon, 1pm-5.45pm - Baden state museum 10am-5pm, Fri and weekends 10am-6pm - closed Mon