Hop-On and Discover! Hop-Off and Explore! Your visit to Chicago isn't complete without an open-top hop on hop off sightseeing bus tour; let us take you on an adventure with Big Bus Tours Chicago! Our hop on and off service includes the two-hour 'Big Loop' showcasing Chicago by day, with 12 stops conveniently located close to key landmarks and attractions. Tweet, snap, and live stream your Chicago tour experiences! Our double decker buses are ADA compliant and temperature controlled lower sections. Explore Navy Pier, shop on The Magnificent Mile®, stand on air at the Willis Tower, and take fun selfies at Millennium Park all while learning about the history of Chicago. As our Chicago Bus Tour rolls down The Magnificent Mile and crosses the Chicago River, you can admire the ever-changing architectural styles on a historic avenue!