It is an example of Teutonic Knights ' castles architecture .
Kwidzyn Castle is a large brick gothic castle in the town of Kwidzyn ( German : Marienwerder ) , Poland .
Kwidzyn Castle is an brick gothic castle of Teutonic Knights ' castles architecture .
Kwidzyn Castle is a large brick gothic castle in the town of Kwidzyn ( German : Marienwerder ) , Poland .