Black Hills Caverns Rapid City

Open May through September, the Black Hills Caverns offer a look at the Black Hills beneath visitors' feet. Historically, the caves were used by the Lakota Indians and also by gold prospectors. Today, visitors can take a one-hour, .75-mile-long tour, or a more moderate half-hour "Crystal Tour." They can also spend time mining for gemstones.

Unique cave formations at Black Hills Caverns include logomites, stalagmites, helictites, purple amethyst, box work, and popcorn crystal. The knowledgeable guide leading the cavern expedition describes the significance of these formations and where to see them along the tour.

Moderate walking is required for all tours of the cavern. A visit to the property's extensive gift shop allows patrons to take home rare rocks, special crystals, and other souvenirs.