Price: Adults from $77; kids from $67 Duration: 75 to 90 minutes Big Bus New York offers a hop-on, hop-off tour that features 18 stops at major attractions like Bryant Park, Broadway and St.

Did you know that over 1 billion people travel annually, with sightseeing tours making up a major part of their experiences?

Photograph: Alliance for Downtown New York The service is pretty straight-forward: you see the bus, you hop on—no need to pay or scan any sort of document. Although locals use the mode of ...