Historic walled castle in hilltop village of Monsaraz, Alto Alentejo, Portugal, Europe

monsaraz portugal alto alentejo castle wall stone keep tower village hilltop historic landmark architecture travel europe southern europe history courtyard stairs building ancient medieval fortification defense tourism destination sightseeing cityscape panorama scenic landscape day sunny blue sky flag window weathered worn stone walls crumbling ruin ruins ruined stonework castle walls historical historic site old old town medieval town