Illinois UFO A local farmer and several police officers chase a UFO through southern Illinois and agree to submit to polygraphic examinations about their experience. Chupacabra An expedition in search of Chupacabra, ""the goat-sucker,"" uncovers possible DNA evidence of the legendary beast. Gettysburg Ghosts Ghostly photos, video images and sounds are recorded all around the Gettysburg, Pa., battlefield, scene of the bloodiest battle in the U.S. Civil War.