The royal residences aren’t short of ghostly guests and happenings – even the queen herself has seen a few spine-chilling sights. From a Poltergeist at Sandringham to an anxious King Henry VIII at Windsor, the palaces are castles are awash with nocturnal activity.There's even one which may be a little too close to home for William and Kate - with Prince Louis' Kensington Palace nursery said to be haunted. Read on for more...