The Imperial Castle, symbol of Nuremberg, rises high above the city. The castle is one of the most important imperial palaces of the Middle Ages. Its silhouette has represented the power and importance of the Holy Roman Empire of the German Nation. It was built between the 11th and the 15th century. The Kaiserburg Castle comprises of a Royal double chapel, two rooms – a downstairs room for the common-people, and the upstairs room for the royal family, a well and the Sinwell Tower. The Kaiserburg Castle can be visited all year round from 9.00am to 6.00pm during April to September and from 10.00am to 4.00pm during the months between October and March.