Learn about Chicago on these two-hour tours with 12 stops on the downtown hop-on, hop-ff sightseeing tour. Neighborhood routes touring from Wrighleyville to Hyde Park and in between. (through Jan. 3) and the Night Tour offering a view of the city all lit up in the evening (through Sept. 26). Avoid crowds by going weekday mornings. Tickets can be purchased at the Explore Store at Block 37, the Park Shop at Millennium Park and online.