Auteuil greenhouses19 images Balzac house10 images Roland Garros stadium36 images Art Nouveau building, rue Agar, by Guimard. Le castel Béranger (1895-1898), built by Art Nouveau architect Guimard. Le castel Béranger (1895-1898), built by Art Nouveau architect Guimard. Guimard also created the original Metro station gates. Rue Agar. Le castel Béranger (1895-1898), built by Art Nouveau architect Guimard. Church of Saint-Pierre-de-Chaillot, 1938. Boulogne forest, a forest within the boundaries of Paris. Boulogne forest, a forest within the boundaries of Paris. Boulogne forest, a forest within the boundaries of Paris. Jardin d'acclimatation. Former Petite Ceinture train line (opened in the mid-19th century), now a park. Statue of poet Jean de la Fontaine. La Muette castle, built in 1920 in the 18th century style, now the headquarters of the OECD. 15th arrondissement17th arrondissement Labels