The Tower of the castle of Novi Ligure is a complex document structure castellare founded in the 10th century, almost completely dismantled during the war of the Austrian Succession (1745-48). The square Tower, built by Tortonesi in 1233, in fact realize by Gerolamo Durazzo in the late eighteenth century. Near are still recognizable parts of the walls built by the Republic of Genoa in 15th century and finally demolished in the second half of the 19th century.
The castle of Novi is also famous for a legend that tells that a Headless Horseman appears mysteriously wearing armour and helmet.
Temporary exhibitions and permanent collection dedicated to the theme of the Carnival, and holidays within the mask. Originates from shooting at Rocca Grimalda in one of the most famous carnivals of Northern Italy, the "Lachera".