Copernicus House in Toruń is a complex of two historic Gothic tenement houses which belonged to the Copernicus family in the second half of the 15th century. It is considered by many historians to be the birthplace of Nicolaus Copernicus. Nowadays, it is a place of modern science museum commemorating this late Medieval scholar. The exhibitions present the great astronomer and his achievements. The museum combines the most recent multimedia technologies and historical tissue of a medieval house. Visitors can admire a modern multimedia interactive exhibition using the greatest achievements of the contemporary museum science, namely smartphone applications allowing visitors to extend their knowledge about the exhibition, an audio guide in three language versions (Polish, English and German) and audio description, extended reality, 4D cinema with films about astronomy, history of the universe, great scientific discoveries, the Medieval city of Toruń, holograms or visual displays. One of the most interesting things in the museum is an exceptional Medieval roof truss open to visitors. From there visitors can admire a show with starry skies, as it is there that young Nicolaus saw starts for the first time. The architecture of the 15th-century Gothic house and historical objects also made it possible to restore the reality of everyday life of middle-class families in interiors of a late Medieval household. Numerous objects, including, in particular, those showing material culture and customs of middle-class families from Toruń originate from archaeological excavations in the Old and New City of Toruń. Copernicus House Museum is a must while visiting Toruń.