If asked about which type of location tends to be the most haunted, most people would respond with cemeteries, battlefields, or old houses at the top of the list. But what about campuses of America's colleges and universities? Surely we've all heard a story or two from a local campus legend. But why are these institutions of higher learning truly institutions of haunted learning as well? Matthew L. Swayne, author of America's Haunted Universities, provides a few potential explanations for these haunted phenomena.