World-famous Canterbury Cathedral is one of the oldest and best-known Christian structures in England. It forms part of a World Heritage Site. It is the cathedral of the Archbishop of Canterbury, leader of the Church of England and symbolic leader of the worldwide Anglican Communion. Founded in 597, the cathedral was completely rebuilt between 1070 and 1077. Pilgrims and visitors have made their way to Canterbury Cathedral since the Middle Ages. The Cathedral houses the shrine of Thomas Becket, the archbishop who was murdered in the cathedral in 1170. With over a million visitors a year, it remains one of the most visited places in the country.