Mastodon State Historic Site
"Arnold is one of the closest population centers, making the site an easy local destination for short visits. Residents often come for educational programs, picnics, and a quick museum stop."
Mastodon State Historic Site showcases the famous Kimmswick Bone Bed, where mastodon remains and evidence of early human activity were discovered. The site features a museum, interpretive displays, and outdoor spaces that help tell the story of Missouri’s prehistoric past.
