Castleton is a village located in the Peak District National Park in England. It is known for its stunning natural scenery, including limestone hills and caves. The village is a popular destination for hikers and outdoor enthusiasts, offering various trails and activities. One of the main attractions in Castleton is the Blue John Cavern, famous for its unique mineral, Blue John stone. Visitors can explore the caves and learn about their geological history. Additionally, the nearby Mam Tor provides breathtaking views and is a favorite spot for photography and picnics.