There are further sites that are listed as in the Swiss inventory of cultural property of national and regional significance as "Class A" object: The chapel of St. Dionys, Schloss Rapperswil with the Polish Museum and its archive and the "Rathaus" (Town Council house) of Rapperswil are the more recent structures. The Roman Vicus "Centum Prata" at Kempraten and the "Seedamm" region and historical bridge (which had existed in some form since the prehistoric era through the Middle Ages with the most recent bridge in 2001 and "Heilig Hüsli") round out the five.