The main sights are concentrated in the centre of Rapperswil and can be seen while strolling through the medieval alleys. The main sights of Rapperswil are its roses, the castle, the reconstructed wooden bridge to Hurden with its bridge chapel, and a Capuchin monastery. There are also a number of churches, chapels, and the nearby Wurmsbach Abbey. In the surroundings of the town there are a number of churches. St. John's Church in Rapperswil was built around 1220 and became Rapperswil's parish church in 1253, the Chapel St. Ursula in the village of Kempraten was built around 885. The St. Dionysius Chapel, dedicated to Denis, the first bishop of Paris, was reconstructed in 1493 and attracts pilgrims. The nunnery at Wurmsbach (Wurmsbach Abbey) was established in 1259 and today houses an institute for girls, and St. Martin Busskirch is the former parish church of Rapperswil.