Haunted mansions and forgotten cemeteries, ghostly sightings and unexplained mysteries…Join us for a special ghost tour featuring entry into the Powel House, a Society Hill mansion haunted by spirits from the past. Limited space available; reservations required. Tours begin at Signers’ Garden, 5th and Chestnut Sts. $22 per person. A portion of proceeds benefits the Philadelphia Society for the Preservation of Landmarks.