A revolving palace, or as it is known as the widow’s palace, was built in 1767, where the widow, Duchess Anna Amalia, who was from the aristocracy in Germany, was interested in arts and culture, and the palace was a center of literary and cultural activity in the city, but today It has been converted into a museum displaying the historical and cultural side of the city, in addition to a collection of old-fashioned furniture, paintings and statues.