The rich history of Pennsylvania is filled with the unexplained: frightening specters, mysterious apparitions and haunted buildings. Join Dan Asfar as he recounts the Keystone State's most intriguing ghost stories: * Phantoms materialize and eerie lights flash at historic Gettysburg, America's most famous -- and haunted - battlefield. * In a fountain at the notorious Baleroy Mansion in Philadelphia, a young boy sees a skull in place of his own reflection...