Overlooking the nearby hills, the S.K. Pierce Mansion in Gardner, Massachusetts, is hard to miss with its dark gray and red paint and stunning architectural detail. There are countless historical homes and mansions across the state and New England but few claim to house paranormal activity and even fewer have achieved a reputation like that of the S.K. Pierce mansion. What started off as a home for one of the city’s wealthiest residents took a turn for the worse and it is a story marked with tragedy, death, mystery, and…