Fults Hill Prairie State Natural Area was created in 1970.
Goose Lake Prairie State Natural Area was created in 1969.
Prairie State College was created in 1957.
Prairie State Park was created in 1980.
Hayden Prairie State Preserve was created in 1945.
Prairie Creek Redwoods State Park was created in 1925.
Hoosier Prairie State Nature Preserve was created in 1976.
Wildlife Prairie State Park was created on 2000-09-05.
The address of the Goose Lake Prairie State Natural Area is: 5010 N. Jugtown Road, Morris, IL 60450
Sound of the Natural State was created in 1909.
Natural Bridges State Beach was created in 1933.
Azalea State Natural Reserve was created in 1943.
Mount Jefferson State Natural Area was created in 1956.