The more than 200-year-old Masovian Museum in Płock is known as the "Art Nouveau Museum". The only such exhibition in Poland, presented in an Art Nouveau tenement house, includes, among others, arrangement of ten bourgeois rooms from the turn of the 19th and 20th centuries, three halls of artistic craftsmanship (glass, ceramics, metal), a jewelery room and a unique medal collection. The interiors present a wide spectrum of European art in its various manifestations, from sophisticated sculptural and decorative forms designed by outstanding artists, to mass forms derived from manufactories, factories and craft workshops. The greatest designers of the era are represented: van de Velde, Tiffany, Galle, Daum, Lalique, Bigot, Bugatti.
The presentation of the art of the Young Poland period includes leading representatives, the museum presents works of artists such as Jacek Malczewski, Stanisław Wyspiański, Józef Mehoffer, Xawery Dunikowski, Teodor Axentowicz, Jan Stanisławski, Wojciech Weiss, Władysław Podkowiński and others.

The showpiece of the Masovian Museum in Płock, apart from Art Nouveau, is the impressive art déco collection patronized by outstanding women: Tamara Łempicka and Zofia Stryjeńska. At the permanent exhibition you cano see a large collection from the interwar period. It consists of objects of Polish origin supplemented by European and American projects. The core of the collection is high-class furniture (more than 20 sets), complemented by artistic craftsmanship and an outfit with its accessories.

The Masovian Museum in Płock is more than art, it is also the history of the region, including its minorities: 1000-year history of the duke of Płock, presented at the exhibition "X Centuries of Płock", famous Płock residents with Broniewski and Themerson - in the Great Gallery of Płock , the colorful world of the folk culture of Mazovia - in the historic Granary, in the Open Air Museum of the Vistula Settlement in Wiączemin Polski - the culture of the Masovian Olendry, and in the branch - the Museum of Mazovian Jews - the fate of the most numerous ethnic group in the historic Płock.
An exotic surprise for visitors is the high-class art of the Far East. The history of the Vistula and its participation in the life of northern Mazovia can be found in the Museum of the Middle Vistula and the Wyszogród Land in Wyszogród.