I went on a duck tour with my parents who were up from CT for the weekend to visit. We all enjoyed the experience--- the conductor was knowledgable, fun, and the tour itself covered all the main Boston attractions that any tourist (or tourist in their own city) should see.
The conductor also took the time to answer questions of other passengers. It was a good time for the kids on board as well--- as they were not bored by the siteseeing since they were busy "quacking" at passerbys
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