A three-hour guided tour includes sites such as Millennium Park, the Museum Campus and Buckingham Fountain. On Wednesdays and Saturdays from March 24-Aug. 31, view the fireworks display at Navy Pier. Includes bikes and helmets. 'Sunglasses at Night' Bicycle Tour: Saturdays (ends November 2) & Sundays (May 23 through September 1). Fee. 312-915-0995