A full day’s sightseeing in London including the Tower of London, the medieval castle which served as a fortress, a royal palace, a prison, a place of execution and torture, an armoury, treasury, and since 1303, the home of the Crown Jewels of the United Kingdom. See the iconic Tower Bridge before visiting St Paul’s Cathedral, London’s leading church designed by the court architect Sir Christopher Wren. During the afternoon walk along the River Thames past the Houses of Parliament and Big Ben to visit Westminster Abbey– one of the most important religious buildings in the British Isles and final resting place of 17 monarchs. Move on to Buckingham Palace, Trafalgar Square and Nelson’s Column. Overnight London.