National Great Rivers Museum
Open daily from 9 a.m. - 5 p.m. Buses and tour groups welcome. Interactive exhibits and dam tours. 35 minutes north of downtown St. Louis.
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Even before you enter the building you start to learn about the river, with a combination water feature and 3-D map that you can splash in. Inside are excellent displays that teach about the...Full Review
If you are interested in history of the dam. I recommend visiting the National Great River Museum. There are several spots that tell you the making of the dam.Full Review