The document provides information on several top London attractions, including Big Ben and the Houses of Parliament, Buckingham Palace, the Changing of the Guard ceremony, the Tower of London, London Eye observation wheel, Madame Tussauds wax museum, British Museum, Natural History Museum, Hyde Park, Regent's Park, Piccadilly Circus, Trafalgar Square, 10 Downing Street, St. Paul's Cathedral, and Tower Bridge. Many of the attractions offer history dating back centuries and house important collections, while others such as London Eye and Hyde Park provide scenic views and open spaces.