Mesagne’s most representative sight is without doubt its Castle, originally built as a fortified camp dating back to the 11th century. Its unique keep was commissioned by Giannantonio Balzo Orsini and is from the 15th century. The Castle was later transformed from a fortress to a noble residence, thus losing its original uniqueness. Another mandatory sight is the Chiesa Matrice dedicated to All Saints, built between 1649 and 1660 and then continued even in the subsequent century: the Church represents one of the best expressions of Baroque architecture in the area of Brindisi. History and archeology lovers must visit the Museo Granafei, which contains artifacts, traces and remains from the municipality and all of Apulia. The Messapico section is very interesting, its pavilion has been expanded with findings discovered by accident when excavation work was done to enlarge the town.