The document lists popular tourist attractions in London including Buckingham Palace where visitors can see the Changing of the Guard ceremony, the Houses of Parliament located on the River Thames near 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, Big Ben, red double decker buses, the London Eye ferris wheel for views of the city, and Wembley Stadium.