As the economy shifted from mining and logging, the tourism industry has grown. The Black Hills have two areas: "The Southern Hills" and "The Northern Hills". The Southern Hills is home to Mount Rushmore National Memorial, Wind Cave National Park, Jewel Cave National Monument, Harney Peak (the highest point in the United States east of the Rockies), Custer State Park (the largest state park in South Dakota, and one of the largest in the US), the Crazy Horse Memorial (the largest Mountain sculpture in the world), and the Mammoth Site in Hot Springs, the world’s largest mammoth research facility.