What Does the Church Teach About Hauntings?

With Halloween around the corner, it's the time of year for all things spooky. Between scary movies and haunted houses, we at The Pillar started to wonder - what does the Church actually teach about haunted stuff? Can houses -- and other buildings -- really be haunted? Can the spirits of the dead roam the earth? And is that weird noise in your house --  right now -- possibly a ghost?