Murallas abaluartadas y Puerta del Calvario Monument · Olivenza, Llanos de Olivenza, Badajoz Image of Olivenza, not of the place itself. Defensive precinct with nine bastions of Portuguese design surrounding the historic center; the Puerta del Calvario is one of its preserved historic gateways. Photo: José Luis Filpo Cabana (CC BY 3.0) What to see and do in Olivenza