Is the Wild West town of Tombstone, Ariz., haunted? Saddle up with a group called the Ghost Trackers as they set out to determine whether the historically rich town is overrun by the supernatural. With scientific equipment including infrared video cameras, electromagnetic field monitors and heat sensors, the Trackers explore Tombstone landmarks such as the Bird Cage Theatre, Buford Bed and Breakfast, the Boothill Cemetery and more.

• Documentary