At Skydeck Chicago, step outside the tallest building in the Western Hemisphere, 1, 353 feet in the air. Take in spectacular views spanning up to four states and experience The Ledge, a glass balcony extending four feet outside the 103rd floor of Willis Tower. Your visit also includes access to the interactive Chicago Museum, where immersive exhibits bring the city’s history, culture, and architecture to life before you reach the top. Last entry 30 minutes prior to closing. Skydeck entrance is located on Jackson Boulevard (south side of the building).