832-400221 - Old cannon from the time of the empire used in the defense of the city of Salvador in Bahia, with Farol da Barra and the sea in the background, Brasil
832-399338 - The Torre de Belem, a historic watchtower or defence defence tower built on a rock on the banks of the Tagus River, sunset in the Belem district, Lisbon Portugal
832-397165 - Weathered wooden door, entrance to historical dungeon, dungeon, medieval prison in the town tower, Old Town, Lich, Wetterau, Hesse, Germany, Europe
1300-104 - View of the Alhambra, UNESCO World Heritage Site, with the Sierra Nevada mountains in the background, at sunset, Granada, Andalucia, Spain, Europe
1251-501 - View of the old town at sunset, with Franciscan Monastery and Fort Lovrijenac, Dubrovnik, UNESCO World Heritage Site, Dubrovnik-Neretva county, Croatia, Europe
83-12814 - Old tower (toston), a defence against English pirates at this northwest coast village, El Cotillo, Fuerteventura, Canary Islands, Spain, Europe
832-170332 - Steeple, former fortified defence tower of the Gedaechtniskirche St. Johann Baptist church, Kardinal-Volk-Platz square, old town, Hanau-Steinheim am Main, Hesse, Germany, Europe
809-5342 - Ramparts dating from the 13th and 14th centuries of the medieval town of Provins, UNESCO World Heritage Site, Seine-et-Marne, Ile-de-France, France, Europe