There has always been a long history of love of all that is Japanese in France. The trend became so intense that in the 19th century, there was a movement called ‘Japonisme.’ This wonderful NY travelpost lists many interesting destinations, including Albert Kahn Museé et Jardin.
Musts:
2. Kunitoraya
3. Jugetsudo
http://tmagazine.blogs.nytimes.com/2013/07/08/letter-from-paris-tokyo-on-the-seine/?_r=0