Discover londons highlights by bus boat and foot on this comprehensive half day tour sitting comfortably aboard an iconic routemaster bus travel along the capitals streets and see sights such as big ben and trafalgar square then hop aboard a thames river cruise boat to admire londons 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 iis lavish state rooms an experience only available to the pu