This South Side-based company has run all-day sightseeing tours and private charters since 1994, with a 75-vehicle fleet including San Francisco-style trolleys, open-top double-decker buses and more. Hop On/Hop Off tours include trips through neighborhoods on the north, south and west sides, as well as the signature route with 18 stops including the Art Institute, the Shedd Aquarium, the Chicago Theatre and more. All tours start at Millennium Park.

An all-day adult pass costs $29, a child pass is $17 (good for up to three days) and a senior pass is $24.