A piece of outsider architecture on the northern edge of the city: a small turreted villa, decorated with mosaics, sculpted figures, and odd shrines, built single-handedly between the 1950s and 1980s by a self-taught mason named François Boucher. The eccentric vision recalls the Palais Idéal du Facteur Cheval in the Drôme — a personal cosmology made of stone and salvaged tile.
The house is no longer the open curiosity it was when Boucher was alive — visiting depends on the goodwill of the current owners and the occasional guided tour. Even from the street it's worth a detour if you are walking out toward the Hôpitaux-Facultés district.