the church of s. ambrogio, the torre pedrini, the parish church of s. siro, the selvini house, the church of s. maria assunta and the parish church of ss. lorenzo e agata are listed as swiss heritage site of national significance. the villages of anzonico, calpiogna, primadengo, chironico, brusgnano-freggio, osco, faido, calonico, rossura, tengia, figgione and sobrio-ronzano are all listed in the inventory of swiss heritage sites.