Mount a friendly, well-trained mule and wind along a thrilling 3-mile, 26-switchback trail to reach the town of Kalaupapa, which was once home to patients with leprosy who were exiled to this remote spot. The path was built in 1886 as a supply route for the settlement below. Once in Kalaupapa, you take a guided tour of the town and enjoy a light picnic lunch. The trail traverses some of the highest sea cliffs in the world, and views are spectacular. Only those in good shape should attempt the ride, as two hours each way on a mule can take its toll. You must be at least 16 years old and weigh no more than 249 pounds; pregnant women are not allowed. The entire event takes seven hours. Make reservations ahead of time, as space is limited. The same outfit can arrange for you to hike down or fly in. No one is allowed in the park or on the trail without booking a tour; hikers must be down in the park by 10 am.