Have a wonderful time with 2 adult tickets for Boston Harbor Cruises Historic Sightseeing Cruise, a 90-minute cruise through Boston's inner and outer harbors. You'll be regaled with hero tales of the Revolutionary War and local legends of the sea on this fully narrated 90-minute tour through Boston's inner and outer harbors. Learn how the harbor was transformed into one of the cleanest waterways in the country. Other highlights include the nation's oldest continuously manned lighthouse, the Harbor Islands National Park, Boston's working port and examples of extravagant waterfront living.