ancient architecture battlements castle elements England english flag Great Britain LINCOLN medieval old pole stone turret union jack wall acropolis Athens carving classical fresco Greece Greek head historical horse landmark lion parthenon sculpture man boulders coast evening horizon natural nature peace sea seashore shore stones Sussex tide water wave alcazaba fort fortified Moorish Málaga palace palm protect secure Spain spanish tower window arches cathedral christian church decorative doors kings ornamental pillars religion statues wooden Abbey arch building Historic site mediaeval Monmouthshire religious ruins Tintern Abbey wales barbed deterrent dordogne France french home house metal pointed protection security windowguard crenellation granite highlands hill hilltop Inverness overlooking red scotland scottish top walls windows