Cahokia Mounds State Historic Site, in Collinsville, Illinois, is seeking volunteers to assist in the Interpretive Center/Museum with greeting visitors, working the information desk, assisting visitors in the exhibit gallery, and giving guided tours. Other volunteers do clerical work for the site staff, help catalog and file in the library, or assist the Cahokia Mounds Museum Society in the Gift Shop.

Volunteers normally work a four hour morning or afternoon shift, once a week. Some work one day each week, others work every other week or once a month, and some just assist with special events.