Discover London¡¯s highlights by bus, boat and foot on this comprehensive half-day tour. Sitting comfortably aboard an iconic Routemaster bus, travel along the capital¡¯s streets and see sights such as Big Ben and Trafalgar Square. Then, hop aboard a Thames River cruise boat to admire London¡¯s famous skyline from the water. Cap your tour with a visit to Buckingham Palace. With a prebooked ticket, enjoy an audio tour of Queen Elizabeth II¡¯s lavish state rooms, an experience only available to the public for two months out of the entire year.Special Exhibition for 2019: Queen Victoria's Palace:To celebrate the 200th anniversary of Queen Victoria¡¯s birth, a special exhibition, Queen Victoria¡¯s Palace, will tell the story of how the young queen transformed Buckingham Palace from a private house into a working royal residence.