5. House of Death, 14 West 10th Street
14 West 10th Street beats out One if by Land and Two if by Sea with a reported twenty ghosts! This Greek Revival home was built during the late 1850s in Washington Square Park. In 1900 famous American author Mark Twain moved in and spent the next year in residence. Though he only lived in the house for a short time, his spirit seems to to have grown attached. Sightings of Twain decked in a white suit have been reported on the first floor and near the staircase. The paranormal events taking place inside 14 West 10th were recounted in actress Jan Bryant Bartell’s 1974 book Spindrift: Spray from a Psychic Sea. Bartell and her husband lived in the former servants quarters of the house and she claims to have felt a presence she described as a “monstrous moving shadow.” You can learn more about the dark history of the “House of Death” here.