The document lists popular tourist attractions in London including Buckingham Palace where one can see the Changing of the Guard ceremony, the Houses of Parliament located on the River Thames overlooking Big Ben, Trafalgar Square with Nelson's Column and the National Gallery, the Tower of London which was formerly a prison for royals and now houses the Crown Jewels, Westminster Abbey with many royal tombs, Oxford Street known for its shops, landmarks like the London Eye and Big Ben, and destinations like Piccadilly Circus, London Bridge, and Wembley Stadium.