The Regional Museum of Toruń consists of seven branches, located across Toruń's historic, with the main branch being located in the Old Town Hall.

The old town hall branch hosts a huge collection of art, archaeological finds, and much more. Within here, the Gallery of Gothic Art, with its collection of unique 14th-century stained glasses, an exhibition presenting the history and artistic handicrafts from the period of 1233-1793, an exhibition on the mints and coins of Toruń from the period of 1233 / 1238-1765, the Grand Hall with a gallery of portraits of prominent Toruń patricians (from the period of 16th - 18th century), including a portrait of famed astronomer Nicolaus Copernicus, as well as the Royal Hall with the oldest collection of Polish kings’ portraits, jewellery collections known as the 'Skrwilno' Treasure and the 'Nieszawa' Treasure, and an impressive gallery of Polish paintings from mid-18th century to 2010, which includes works of Jan Matejko, Wojciech Gerson, Stanisław Ignacy Witkiewicz, Jacek Malczewski, Julian Fałat, Andrzej Wróblewski and Zdzisław Beksiński.