Westminster Abbey is a Gothic church in London where English and British monarchs have been crowned since 1066. The present church was begun in 1245 by Henry III. It holds the tombs of kings, queens, poets and scientists, including Isaac Newton and Charles Darwin. Royal weddings are held here. It is a UNESCO World Heritage Site.

St Paul's Cathedral was designed by Christopher Wren and built from 1675 to 1710 after the Great Fire of London. Its great dome is one of the largest in the world. Visitors climb to the Whispering Gallery and the Golden Gallery for views. It survived the Blitz and has hosted royal events, including the wedding of Prince Charles and Diana.

Canterbury Cathedral is the mother church of the Anglican Communion and seat of the Archbishop of Canterbury. It was founded in 597 and rebuilt after 1070. Archbishop Thomas Becket was murdered here in 1170, making it a great place of pilgrimage, as in Chaucer's Canterbury Tales. It is a UNESCO World Heritage Site.

York Minster is one of the largest Gothic cathedrals in Northern Europe, built between 1220 and 1472. It is famous for its medieval stained glass, including the Great East Window, the largest expanse of medieval stained glass in the world. Visitors can climb its central tower for views over the city.

Durham Cathedral was built from 1093 to 1133 and is one of the finest Norman buildings in Europe. It holds the shrine of Saint Cuthbert and the tomb of the Venerable Bede. Its rib-vaulted ceiling was an early step towards Gothic architecture. With the castle next to it, it is a UNESCO World Heritage Site.

Glasgow Cathedral is the only medieval cathedral on the Scottish mainland to have survived the Reformation almost intact. It was built mainly in the 13th century over the tomb of Saint Mungo, the city's patron saint. Behind it on a hill lies the Glasgow Necropolis, a Victorian cemetery with grand monuments.