Two other noteworthy mansions on the Rue des Francs-Bourgeois are the Hotel Lamoignon , at the corner of Rue Pavae , and the Hotel Carnavalet , once home to the illustrious 17th-century lady of letters Madame de S ? ? vign ? ? , today the Musee Historique de la Ville de Paris .
There are two mansions that visitors can tour .