It is a pentagon-shaped building dating back to the eighteenth century AD. It was built on an artificial island primarily as a quarantine place to house travelers coming to Ancona from the port; And who are likely to be infected with an infectious disease. The building was used as a military fortress during the nineteenth century. Now the building has been converted into a museum that is home to many important exhibitions in the city, and the museum displays a rich collection of artworks from various paintings and sculptures.