Upvote:2
There are some 143 vineyards in Paris and รle-de-France. It could be an idea to visit some of them ...
Have a cruise. The Seine is by far the most famous place for this. However, there are other less "touristic" but not less interesting day cruises you can have in and around Paris: Canal Saint-Martin, Marne, and Canal Saint-Denis. I am aware of one company offering such tours. There might be other ones as well ...