Inside the park, Eyam Museum has displays on the village's history during the Black Death. Castleton has four show caves; Peak Cavern, Blue John, Treak Cliff and Speedwell. In the outer fringes, the area's industrial heritage is represented by the mining museum at Matlock Bath, with the Temple Lead Mine, the Derwent Valley Mills World Heritage Site and Brindley Water Mill at Leek. Preserved railways such as the Peak Rail, Ecclesbourne Valley and Churnet Valley lines, the National Tramway Museum at Crich and the Cromford Canal chart the area's transport history. Matlock Bath also has the show caves and mines of the Heights of Abraham, which can be reached by cable car, and the Gulliver's Kingdom theme park. Buxton has an opera house and theatre, museum and art gallery and Poole's Cavern show cave. Other attractions in the fringes include the Alton Towers theme park and the Peak Wildlife Park.