Experience the highlights of London and Greenwich with a Super Saver tour that combines a 3-hour London sightseeing tour with a short journey to historic Greenwich. You’ll see London’s main attractions, including Buckingham Palace, Trafalgar Square, the Houses of Parliament, Westminster Abbey and Big Ben. Then take a river cruise to Greenwich, notable for its maritime history and for giving its name to the Greenwich Meridian and Greenwich Mean Time. Stroll around historic sites such as the National Maritime Museum, the Royal Observatory and the Greenwich Meridian marker before returning to central London by boat.