The works of art and historical souvenirs were collected in the spacious interiors of the museum. It is devided in some exhibitions presenting among others sculptures and sacred paintings, created since the half of the XIVth century to the beginning of the XVIth century, craft works from the Middle Ages and modern times, architectural fragments and details, arms and fittings, woodcarving and painting works, goldsmith’s works. There are also some curiosities: the gallery of portraits of Polish kings by the diffrent artists and the beautiful intarsia door and furniture. Unquestionably it is warth to see also the Skriwilno treasure with the Renaissance and Mannerist jewellery and silver dishes and table appliances.