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.