Royal Castle. It was probably constructed in the 12th century by Przemysł II, then repeatedly developed.In 1493, the Grand Master of the Teutonic Knights Hans von Tieffen paid homage to the King of Poland here. Partly destroyed during the Northern War.Reconstructed residually at the end of the 18th century. Destroyed again in 1945, partly rebuilt in 1959-1964, then reconstructed in 2010-2013 according to the project of Witold Milewski.