Cemeteries are where dead people are laid to rest. But it seems that some of the dead have come back to haunt these usually peaceful places. At cemeteries across the country, people have claimed to see ghosts and other eerie things. What explains these spooky sightings? There is a devoted group of people who want to find out. These ghost hunters, also known as paranormal investigators, gather evidence to prove that ghosts are real. Look inside to read all about so-called haunted cemeteries. And follow paranormal investigators who seek to uncover the truth about ghosts.