Highlights • See the most haunted building in London • Hear about famous Death tree • Discover what palace is abandoned by the Royal family • Walk through the royal park which once was a burial place  London has always been haunted by ghosts. Ghosts are sometimes seen at the moment of the death of the person. Other ghosts come back because they have not been properly buried. But the vast majority of ghosts are seen for no reason. They can even try to touch you!