The Stephen and Elizabeth Ann Kusmierczak Art Gallery contains paintings and sculptures spanning 1901-1947. The majority of the collection was originally displayed at the 1939 New York World’s Fair, and reflects dominant trends in Polish art during the Interwar Period of the twentieth century.

Sabina P. Logisz Great Hall was originally designed as the auditorium for the Polish Roman Catholic Union of America headquarters. In 1939, it was adapted for the needs of the Museum. The center space of the Great Hall presents rotating temporary exhibitions of documentary and historical content, as well as art and artists, both local and international.

The Paderewski Room is dedicated to the life and work of the great musician, statesman, and humanitarian, Ignacy Jan Paderewski (1860-1941). The collection includes: Paderewski’s practice Steinway & Sons piano; the feather-shaped gold pen he used to sign the Versailles Treaty of 1919 as Prime Minister of Poland; his death mask by American sculptor Malvina Hoffman; and furnishings from his suite at the Buckingham Hotel in New York, where he passed away in 1941, along with many other historical, documentary, ane personal artifacts from his long and prolific career.