Worcester Cathedral, before the English Reformation known as Worcester Priory, is an Anglican cathedral in Worcester, England; situated on a bank overlooking the River Severn. It is the seat of the Bishop of Worcester. Its official name is The Cathedral Church of Christ and the Blessed Mary the Virgin of Worcester. Built between 1084 and 1504, Worcester Cathedral represents every style of English architecture from Norman to Perpendicular Gothic. It is famous for its Norman crypt and unique chapter house, its unusual Transitional Gothic bays, its fine woodwork and its "exquisite" central tower,which is of particularly fine proportions.