Explore Chicago at your own pace with our flexible hop-on, hop-off tours. Our hop-on, hop-off bus tours give you the freedom to plan your own itinerary and explore the best of Chicago’s landmarks. Board and exit the tour at any of our 12 stops. When you're ready, just board again. The Magnificent Mile, Millennium Park, Willis Tower, and John Hancock Tower, which is known as the world's first mixed-use tower and is an architectural icon representing the close collaboration between architect Bruce Graham and structural engineer Fazlur Khan, are just a few of the landmarks and attractions that will be highlighted on this tour of the Windy City. Hop off to see the fireworks displays, live music, theatre, and cruises setting sail daily at the Navy Pier or check out the Adler Planetarium dedicated to astronomy and astrophysics.