31381123[monuments by form]PT2026-03-30 20:42:49BT31350801monumentsPTNT31417019trinity columnsPTNT31417023markersPTNT31417025megalithic monumentsPTNT31417028memorial archesPTNT31417035memorial columnsPTNT31417040stelaePTNT31402268effigy moundsPTNT31417045monumental pillarsPTNT31417048Marian columnsPTNT31417051plague columnsPTNT31417053baetylsPTNT31417063talayotsPTNT31417068stacked rocksPT