O'Fallon, IL · Near Scott AFB · Moderate
The Mansion is an upscale American restaurant housed in a historic 1857 building in O'Fallon, Illinois, known for their steaks and seafood. It's a popular spot for both regular dining and special events, with a 4.2 out of 5 rating on Google. They're closed Mondays but open Tuesday through Thursday from 11 AM to 9 PM.