Dedicate your fourth day to exploring the USS Midway Museum, a floating naval aviation museum located at Navy Pier. Step aboard the USS Midway, a retired aircraft carrier, and learn about its rich history. Explore the various exhibits, including the flight deck, hangar deck, and the ship's interior. Get a glimpse into the life of sailors and pilots through interactive displays and audio tours. Don't miss the opportunity to climb into the cockpit of some of the aircraft on display. It's a fascinating experience for history and military enthusiasts.