The most important medieval building of the city
is the Castel Ursino, buid in the years between 1239 and 1250 of Federico II.
The building surrounded by a ditch has a quadratic outline,
angular and cylindrical piling up, as well as half cylinder piling up that are in the middle of the sides.
It is supposed that it carries the name of a Roman consul (Arsinius) or that of the Roman family of
the Orsini, that was in the Middle Ages to Sicily escaped, after they were banished out of Rome,
on the side of the Gibellinen placed had itself (follower of the emperor).
Its wide-ranging rooms harbor the interesting city museum,
which stores valuable archaeological piece out of hellenic and Roman times, under
that fragments of a large ram and a stately masculine bust that represents an emperor.
Mosaics, Money, graveyards and Roman urns, Christian and byzantinic cult objects,
sculpture works out of the Middle Ages and the Rinascimento, baroque painting of
sicilian painters are issued in the numerous halls and showed by the historic and cultural wealth of Sicily.
