The Hop On Hop Off Trolley and Upper Decker Tour allows you the chance to get on and off the Trolley Bus or Upper Decker in order to visit the Field Museum of Natural History, the Adler Planetarium, the Shedd Aquarium, the Art Institute and other famous city attractions such as the Sears Tower, the John Hancock Tower, the new and fascinating Navy Pier, the North Pier, Water Tower with its famous shops and many other highlights. Passengers have 8 hours to enjoy this hop on/hop off feature.