If only the time-weary walls of Kwidzyn Castle could talk! But as they can't, inquire if tours are available to hear a couple of its tales instead.
After you've finished up at this Kwidzyn fortified complex, there are plenty of other things to keep you entertained in the area. Many travelers make a beeline for Kwidzyn Museum next. It's not too far from Kwidzyn Castle. Why not add it to your itinerary?