Ever strolled through an old cemetery and noticed something move in the corner of your eye? While touring a historical museum, have you caught a glimpse of someone in period costume and wondered, “Is that a re-enactor or… something else?” When you frequent historic places, you're also likely to encounter the spirits that tend to inhabit them. Sometimes they're “Caspers”: friendly ghosts who watch over their former homes or favorite hangouts. In other cases, the spirits are tortured souls or evil presences who frighten the living. If you're ready to mix a little Halloween into your next trip, add one of these 15 haunted historic places to your itinerary:

EVERGREEN, ALA.

Interstate 65