1382-1828 - ruins of the farmyard adjoining the Clifden Castle, ruined manor house near Clifden, west coast, County of Galway, Connemara, Republic of Ireland, North-western Europe
1382-1767 - ruins of the Castle overlooking the entrance to the harbour, used as their base by the pirates Don Bosco and Grace O'Malley.During Cromwell's time the Castle was used as a staging post for Irish men and women who were being transported to the West Indies
802-890 - Samuel's Fortress, a fortress in the old town of Ohrid, North Macedonia, once the capital of the First Bulgarian Empire, UNESCO World Heritage Site, Ohrid, Macedonia, Europe
1385-351 - An ancient stone castle ruin with a partially collapsed tower, set against a blue sky with scattered clouds. The structure is surrounded by a stone wall and grassy area.
1202-864 - An aerial view of the dramatic ruins of Tintagel Castle, said to be the birthplace of King Arthur, on a rocky island off the shore, near the town of Tintagel, Cornwall, England, United Kingdom, Europe
1202-863 - An aerial view of the dramatic ruins of Tintagel Castle, said to be the birthplace of King Arthur, on a rocky island off the shore, near the town of Tintagel, Cornwall, England, United Kingdom, Europe
1202-862 - An aerial view of the dramatic ruins of Tintagel Castle, said to be the birthplace of King Arthur, on a rocky island off the shore, near the town of Tintagel, Cornwall, England, United Kingdom, Europe
1202-861 - An aerial view of the dramatic ruins of Tintagel Castle, said to be the birthplace of King Arthur, on a rocky island off the shore, near the town of Tintagel, Cornwall, England, United Kingdom, Europe
1384-1208 - Battlements, stone ramparts and watch tower in historic castle ruins at Arraiolos (Pavao dos Alcaides), built in the 14th century, Alentejo, Portugal, Europe
1384-1197 - Defensive walls and ramparts with view over surrounding countryside from the Castle of Terena, a listed national monument, Terena, Alentejo Central, Portugal, Europe
1385-319 - Medieval stone tower on a hill with a clear blue sky in the background, Clifford's Tower, York, North Yorkshire, England, United Kingdom, Europe
1369-173 - Beautiful view of the Grinzane Cavour Castle and vineyards, on an autumn day, UNESCO World Heritage Site, Cuneo province, Piedmont, Italy, Europe
1369-163 - Aerial view taken by drone of Rocca Calascio castle during an autumn sunrise, National Park of Gran Sasso and Monti of Laga, Abruzzo, Italy, Europe
1373-194 - View of Castello Sforzesco (Sforza's Castle), a medieval fortification dating back to the 15th century, now housing museums and art collections, Milan, Lombardy, Italy, Europe