Not your typical museum structure, this one is built into the side of hill, and much of it is underground. A contemporary version of a traditional Native American dwelling, this beautiful building features Native American (mostly the Sioux tribes) and pioneer exhibits, with many rare artifacts tracing the history of South Dakota.

A causeway connects downtown Pierre with this scenic island where only foot-traffic is allowed.

This stunning Greek Revival building completed in 1910 was at first modernized and later, in 1989, restored to its original magnificence, making it the most fully restored capitol building in the U.S. Self-guided and free guided tours are available.

Dam and power plant.