We went to the St. Louis Arch and visited the Lewis and Clark Museum and Cahokia Mounds.

Then we saw a movie about Lewis and Clark. The movie was good.
After that  we went to Cohoika Mounds. After that  we  saw a movie about Cahokia mounds.  The Mississippians built Cahokia. The chief''s house was at the top of Monks Mound. Then we saw a movie about the Mississippians. Last we climbed about 152 steps, to the top of Cahokia.