Float down the River Thames and go underground with entrance to London Dungeon during this combination tour in London. Ride a boat through the city, hopping on and off at any of the four piers along the route to explore different parts of the city. See important landmarks like the London Eye, London Bridge, Big Ben and Trafalgar Square. At London Dungeon, wade deep into London's murky (and murderous) history, which includes Jack the Ripper, King Henry VIII and the infamous 'gong farmer'. This flexible tour allows you to explore the attractions at your own pace.