The historic SK Pierce House in Gardner, Massachusetts, offers nine bedrooms, four bathrooms, and a ghostly cast straight from a Charles Addams cartoon. With a storied past of murder, mysterious combustion, and at least a dozen alleged phantoms, this haunted mansion is listed for $1.2 million. Haunted house, anyone?

The SK Pierce House isn’t just a haunted house for sale—it’s a viral sensation among ghost hunters. Paranormal fans travel for a glimpse of the infamous “red room,” where the murdered prostitute’s spirit is said to linger, making haunted real estate a hot ticket.