Joseph N. Nicollet Tower and Interpretive Center

West of Sisseton, climb to the top of Nicollet Tower for a breathtaking view of three states. The observation tower honors Joseph N. Nicollet, the French mapmaker who explored the Coteau Des Prairies in the 1830's. The Nicollett Interpretive Center displays John S. Wilson artwork and Nicollet's great map. A video presentation illustrates Nicollet's expedition and describes the culture of the Dakota tribes. Hours are 10 a.m.-5 p.m., mid-May to mid-October. Admission is free.