Prairie in Illinois — http://www.museum.state.il.us/muslink/prairie
This online exhibit discusses what Illinois prairies were like in past times, what they are like today, and how people are preserving and restoring them.
On the Prairie — http://www.bellmuseum.umn.edu/games/prairie/
Re-build a prairie, watch prairie chickens "booming",
discover how Native Americans used prairie plants, and much more at this
interactive site.