See London’s iconic landmarks on a guided tour with a Local Expert, from the stately Houses of Parliament to Buckingham Palace. Then, delve into Britain’s wartime past at the Imperial War Museum. Explore thought-provoking exhibits, from a recreated World War I trench to the Holocaust Gallery, and see the machine that once decrypted enemy codes in WWII. This afternoon, enjoy time at leisure or choose to join an Optional Experience. Step inside St. Paul’s Cathedral, a masterpiece of British architecture crowned by Sir Christopher Wren’s magnificent dome. Then, venture to the Tower of London, where tales of imprisoned monarchs, legendary ravens and the dazzling Crown Jewels await.