The interesting State Museum was established in the second half of the 19th century and contains a variety of historical and artistic collections that illustrate the history of the republic. The ground floor of the museum is focused on archaeological finds, which include some remains thought to date back to 8 BC. There are also some interesting documents showing evidence for the existence of a monastery in San Marino since the 6th century. The entire first floor is dedicated to art and includes masterpieces by Giambono, Passerotti and Strozzi.