Mystery Mine, a Dollywood attraction, is a roller coaster designed to take guests on a realistic and dramatic adventure through a long abandoned coal mine with an eerie past. Herschend Family Entertainment asked Entech Innovative Engineering to create excitement during the ride. Entech engineers used state-of-the-art show effects, including pyrotechnics and audio that set the stage for the experience. Thrill-seekers relish the 95-degree drops that plunge them into darkness be