The Seine

One of my favorite activities in Paris is a cruise down the Seine, which in my opinion, is the city's most beautiful boulevard.  I have been to Paris 3 times, and each time, I made time for this cruise. It is so serene and you get a chance to see the city's major monuments (such as the Notre Dame, the Eiffel Tower, the Louvre) and watch the river activity.  Plus, visiting Paris means for most people, lots of walking.  The cruise can thankfully provide a much-needed rest for tired feet.