Hitch a ride on one of the boats of the Gateway Clipper fleet (gatewayclipper.com). Sightseeing tours are offered April through December. The Gateway Clipper also offers themed cruises for kids and grown-ups alike, including holiday cruises and shuttles to and from each of PNC Park and Heinz Field.
Want a view of the city from the river while touring Downtown? Check out a Just Ducky Tour (justduckytours.com). Catch a ride on a DUKW — pronounced "duck," and a World War II amphibious vehicle — at Station Square and learn fun facts about Pittsburgh while cruising our "City of Champions."
Tour the city in a 1920's style trolley. Molly's Trolleys (mollystrolleyspgh.com) has been taking visitors on sightseeing tours of the city for 20 years. They're fully-enclosed and are handicapped accessible upon request.
Hop on and off during a tour aboard The Pittsburgh Tour Company (pghtours.com). The double-decker buses take guests on a tour of the city with 21 stops that passengers can get on and off at their own pace as they explore.