De Monti Castle (Castello de Monti), Corigliano d'Otranto, Lecce, Salento, Apulia, Italy

corigliano dotranto salento apulia historical ruins architecture ancient site arched ceilings stone walls restoration cultural heritage italy medieval castle archaeological subterranean chambers historic exploration tourism travel old structures remnants excavation landscape buildings details stonework preservation interior culture history landmarks preserved local attractions destinations italian significance artifacts sites