Old Town with the Royal Castle and Old Market Square

On the UNESCO World Heritage List the only example worldwide of planned and complete reconstruction of historical buildings Royal Castle with its defense wall system and St. John's Cathedral a witness of the most important Events in the history of Poland King Sigismund's III Column - the first secular monument in Poland house of Madame Curiere nowned Polish physicist and chemist, the first woman professor at the Sorbonne, twice awarded the Nobel Prize