The London Eye (also known as the Millennium Wheel), at a height of 135 metres (443 ft), is the biggest Ferris wheel in Europe, and has become the most popular paid tourist attraction in the United Kingdom, visited by over three million people in one year.
St Paul's Cathedral is the Anglican cathedral on Ludgate Hill, in the City of London, and the seat of the Bishop of London. The present building dates from the 17th century and is generally reckoned to be London's fifth St Paul's Cathedral, although the number is higher if every major medieval reconstruction is counted as a new cathedral. The cathedral sits on the edge of London's oldest region, the City, which originated as a Roman trading post along the edge of the River Thames. The cathedral is one of London's most visited sites. The Royal Family holds most of their important marriages, christenings and funerals at Westminster Abbey, but St Paul's was used for the marriage of Charles, Prince of Wales and Lady Diana Spencer. The religious service for Queen Victoria's Diamond Jubilee was also celebrated there.