Hi there,
Illinois state has excellent museums. In Aurora, the SciTech Hands on Museum features exciting exhibits on weather, biology, sound, physics and astronomy.
In Big Rock,
Illinois, the traveling Roberts Armory Museum specializes in the acquisition and display of light armored vehicles and artillery used by the U.S. Army in World War II.
In
Champaign, Illinois, you have the Staerkel Planetarium is open year-round, provides science education programs and fascinating light show entertainment.
Hope this helps
Vacationbuddy