Crystal Tree Golf & Country Club is an 18-hole private golf course in Orland Park, Illinois, built in 1990 and designed by Robert Trent Jones, Jr.. It sits in the $$$ (premium) price range for golf in Illinois. The season runs Mar 1 to Oct 30 (closed on Mondays). Play is generally limited to members and their guests.
Details like fees and seasons change, so call the course before you head out.