Built into a bluff overlooking the Missouri River, the Lewis and Clark Interpretive Center tells the epic story of the 8,000-mile Lewis and Clark Expedition of the early 1800s. The main hall features plenty of hands-on exhibits, and the experience can be enhanced by borrowing a free audio guide. Visitors are also welcome to explore the interpretive trails outside the center, and there's even a trail that goes to the nearby Giant Springs State Park if you have time. Admission is free for visitors under the age of 15, and a discount is offered for groups of 20 or more people.

4201 Giant Springs Rd, Great Falls, MT 59405, Phone: 406-727-8733

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