Wolvesey Castle, also known as the Old Bishop's Palace, consists of dramatic ruins in Winchester's south-east corner near the cathedral. Built around 1100, the site was extensively developed by Bishop Henry of Blois (1129–71), who created a luxurious palace befitting his immense wealth and powerful position. His medieval work survived virtually intact for 500 years before demolition in 1680 to make way for a Baroque-style palace. Today, visitors see ruined walls and the surviving chapel, which was incorporated into the later palace still used by the Bishop of Winchester. Managed by English Heritage, the castle is normally open without charge during daylight hours, offering insight into the power and architectural ambitions of medieval church leaders.