- $7 adults
- $6 seniors and college students
- $5 children ages 6-17
- Free for children age 5 and under and MNHS members.
Amid the prairie grasses are islands of uncovered rock, where American Indian ancestors left carvings — petroglyphs — humans, deer, elk, buffalo, turtles, thunderbirds, atlatls and arrows. They tell a story that spans more than 7,000 years.