UNESCO listed the medieval town of Torun as world heritage. Similarly to Krakow it was not destroyed during WW II. Nicolas Copernicus – the founder of the heliocentric theory (that the Earth rotates around the Sun) born here. Pay a visit to his interesting museum. See the Teutonic Castle and the leaning tower (like the one in Italian Pisa). Numerous cellar pubs: Torun is a well-known university town. Delicious gingerbread. Organ music.