1178-43654 - Croatia, Dubrovnik, Lovrijenac Fortress, Lovrijenac Fortress and townscape

1306-1079 - St John's Fortress guarding the old town, Dubrovnik, Croatia

832-397165 - Weathered wooden door, entrance to historical dungeon, dungeon, medieval prison in the town tower, Old Town, Lich, Wetterau, Hesse, Germany, Europe

832-397063 - Sigiriya rock, famous Sri Lankan tourist landmark on sunset, Sri Lanka, Asia

832-397079 - Famous indian tourist landmark Mehrangarh fort in twilight. Jodhpur, Rajasthan, India, Asia

832-397080 - Aerial view of Jodhpur, also known as Blue City due to the vivid blue-painted Brahmin houses around Mehrangarh Fort. Jodphur, Rajasthan

832-397078 - Kochi chinese fishnets on sunset in Fort Kochin, Kochi, Kerala, India, Asia

832-396910 - Red Fort in Delhi in cloudy weather Evening

844-26072 - View of Fornelles Tower fortress and spring flowers at sunset in Fornelles, Fornelles, Memorca, Balearic Islands, Spain, Europe

844-26071 - View of Fornelles Tower fortress and Mediterrainean Sea at sunset in Fornelles, Fornelles, Memorca, Balearic Islands, Spain, Europe

1360-65 - View of the Ducal Palace of Urbino and its historic center from the park of the Albornoz Fortress, Urbino, Marche, Italy

1278-302 - Thessaloniki, Greece drone view of Heptapyrgion Byzantine fortress with towers and bastions.

1278-301 - Thessaloniki, Greece drone view of Heptapyrgion Byzantine fortress with towers and bastions.

1113-107451 - View from a window of Fort Lovrenijac out to the Adriatic Sea in front of the old town of Dubrovnik, Dalmatia, Croatia.

1113-107407 - Finnish Artillery Museum in front of Hämeenlinna Castle and Fortress, Finland

832-396776 - Coastline with sandy beach and Sao Joao castle in Ferragudo, Algarve, Portugal, Europe

1113-107364 - Cannon with flag, recreational area and fortress on the island of Suomenlinna off Helsinki, Finland

1113-107643 - Mont St-Michel in the evening light, Dept, Manche, France, Europe

1310-327 - View across harbour to the historic citadel, the Bastion de l'Etendard prominent, Bonifacio, Corse-du-Sud, Corsica, France, Mediterranean, Europe

1310-337 - View across harbour to the historic citadel, the Bastion de l'Etendard prominent, Bonifacio, Corse-du-Sud, Corsica, France, Mediterranean, Europe

1310-332 - View across harbour to the citadel, sunrise, the Bastion de l'Etendard prominent, Bonifacio, Corse-du-Sud, Corsica, France, Mediterranean, Europe

1310-325 - View across harbour to the historic citadel, colourful fishing boats in foreground, Bonifacio, Corse-du-Sud, Corsica, France, Mediterranean, Europe

1310-330 - View across harbour to the historic citadel, the Bastion de l'Etendard prominent, Bonifacio, Corse-du-Sud, Corsica, France, Mediterranean, Europe

1184-6926 - Kipfenberg Castle, Kipfenberg, Altmuehltal, Bavaria, Germany, Europe

1184-6927 - Kipfenberg Castle, Kipfenberg, Altmuehltal, Bavaria, Germany, Europe

746-92286 - Piazza Cairoli square, Orsini Fortress, Sorano, Tuscany, Italy, Europe

746-92287 - Fresco at the entrance to Piazza Cairoli square of the Orsini Fortress, Sorano, Tuscany, Italy, Europe

1184-6924 - Kipfenberg Castle, Kipfenberg, Altmuehltal, Bavaria, Germany, Europe

1184-6925 - Kipfenberg Castle, Kipfenberg, Altmuehltal, Bavaria, Germany, Europe

746-92475 - Rocca Flea fortress, Civic Museum, Crucified with the Virgin, John and St. Francis, Gualdo Tadino, Umbria, Italy, Europe

1104-1931 - View of South Bay looking towards Scarborough Castle, Scarborough, Yorkshire, England, United Kingdom, Europe

1104-1930 - View frow South Cliff gardens towards South Bay and castle, Scarborough, Yorkshire, England, United Kingdom, Europe

1104-1928 - View of South Bay looking towards harbour and Scarborough Castle, Scarborough, Yorkshire, England, United Kingdom, Europe

1104-1929 - View of South Bay looking towards Scarborough Castle, Scarborough, Yorkshire, England, United Kingdom, Europe

1104-1922 - View of Scarborough Castle, Scarborough, Yorkshire, England, United Kingdom, Europe

1104-1921 - View of St. Mary's Church, Scarborough, Yorkshire, England, United Kingdom, Europe

1104-1920 - Scarborough Castle, Scarborough, Yorkshire, England, United Kingdom, Europe

1104-1919 - View of Scarborough Castle, Scarborough, Yorkshire, England, United Kingdom, Europe

1184-6750 - Fortaleza de Sao Jose de Macapa, Macapa, Amapa, Brazil, South America

1184-6751 - Fortaleza de Sao Jose de Macapa, Macapa, Amapa, Brazil, South America

1184-6688 - Presepio Fort, Belem, Brazil, South America

1292-2967 - The ruins of the castle, Cuenca, Castile-La Mancha, Spain, Europe

1292-2935 - The Castle of La Muela, Consuegra, Toledo, Castilla-La Mancha, Spain, Europe

1292-2934 - The Castle of La Muela, Consuegra, Toledo, Castilla-La Mancha, Spain, Europe

845-1069 - St. Andrews Castle at sunrise, St. Andrews, Fife, Scotland, United Kingdom, Europe

845-1070 - St. Andrews Castle at sunrise, St. Andrews, Fife, Scotland, United Kingdom, Europe

1336-466 - Chateau de Chenonceau castle reflected in the water, UNESCO World Heritage Site, Chenonceau, Indre-et-Loire, Centre-Val de Loire, France, Europe

1336-470 - Castle of Azay-le-Rideau reflected in lake in a sunny day with clouds, UNESCO World Heritage Site, Azay-le-Rideau, Indre et Loire, Centre-Val de Loire, France, Europe

1336-467 - Chateau de Chenonceau castle reflected in the water, UNESCO World Heritage Site, Chenonceau, Indre-et-Loire, Centre-Val de Loire, France, Europe

1336-469 - Castle of Azay-le-Rideau reflected in lake in a sunny day with clouds, UNESCO World Heritage Site, Azay-le-Rideau, Indre et Loire, Centre-Val de Loire, France, Europe

1237-464 - Vines on hill on front of Castiglione di Garfagnana, Tuscany, Italy, Europe

1237-465 - Castiglione di Garfagnana, Tuscany, Italy, Europe

1346-129 - Besalu historic medieval city with Catalonia flags on the stone bridge tower crossing El Fluvia river, Besalu, Catalonia, Spain, Europe

1346-123 - Royal castle of Collioure, Collioure, Pyrenees Orientales, France, Europe

1346-126 - Royal castle of Collioure with the colorful village buildings, Collioure, Pyrenees Orientales, France, Europe

1346-130 - Besalu historic medieval city with Catalonia flags on the stone bridge tower crossing El Fluvia river, Besalu, Catalonia, Spain, Europe

1346-128 - Besalu historic medieval city with Catalonia flags on the stone bridge tower crossing El Fluvia river, Besalu, Catalonia, Spain, Europe

1346-125 - Royal castle of Collioure with the colorful village buildings, Collioure, Pyrenees Orientales, France, Europe

832-396156 - Ducks on the Hunte in winter, Hunteburg, Lower Saxony, Germany, Europe

832-395974 - Medieval frescoes from the school of Friedrich Pacher, replica of a Romanesque crucifix, castle chapel, Taufers Castle, Sand in Taufers (Campo Tures), Ahrntal, Valle Aurina, Pustertal, Valle Pusteria, Central Alps, Zillertal Alps, Main Alpine Ridge, South Tyrol, Alto Adige, Italy, Europe

832-395986 - The sea fortress built in the 16th century on the island of Spinalonga in the Mediterranean Sea, Crete, Greece, Europe

832-396034 - Cross next to castle walls, Trancoso, Serra da Estrela, Portugal, Europe

1353-139 - Stirling Castle and the city of Stirling in autumn, Stirlingshire, Scotland, United Kingdom, Europe

1353-137 - Hermitage Castle, Liddesdale, Hawick, Roxburghshire, Scottish Borders, Scotland, United Kingdom, Europe

1353-136 - Hermitage Castle, Liddesdale, Hawick, Roxburghshire, Scottish Borders, Scotland, United Kingdom, Europe

1292-2841 - Carcassonne, UNESCO World Heritage Site, Aude, Occitania, France, Europe

1292-2842 - Carcassonne, UNESCO World Heritage Site, Aude, Occitania, France, Europe

1292-2826 - Pontremoli, Massa-Carrara, Tuscany, Italy, Europe

1292-2825 - The castle, Pontremoli, Massa-Carrara, Tuscany, Italy, Europe

1292-2828 - View from the Campanone, Pontremoli, Massa-Carrara, Tuscany, Italy, Europe

1292-2824 - Rocca Albornoziana, Spoleto, Umbria, Italy, Europe

1292-2821 - Rocca Albornoziana, Spoleto, Umbria, Italy, Europe

746-91813 - Fortress Forte Real de Sao Filipe. Cidade Velha, historic center of Ribeira Grande, listed as UNESCO world heritage. Island of Santiago (Ilha de Santiago), Islands of Cape Verde in the equatorial Atlantic.

746-91814 - Cityview. Fortress Forte Real de Sao Filipe. Cidade Velha, historic center of Ribeira Grande, listed as UNESCO world heritage. Island of Santiago (Ilha de Santiago), Islands of Cape Verde in the equatorial Atlantic.

1292-2751 - Fort Saint Nicolas, Marseille, Provence-Alpes-Cote d'Azur, France, Mediterranean, Europe

746-91812 - Fortress Forte Real de Sao Filipe. Cidade Velha, historic center of Ribeira Grande, listed as UNESCO world heritage. Island of Santiago (Ilha de Santiago), Islands of Cape Verde in the equatorial Atlantic.

746-91811 - Fortress Forte Real de Sao Filipe. Cidade Velha, historic center of Ribeira Grande, listed as UNESCO world heritage. Island of Santiago (Ilha de Santiago), Islands of Cape Verde in the equatorial Atlantic.

746-91809 - The cistern. Fortress Forte Real de Sao Filipe. Cidade Velha, historic center of Ribeira Grande, listed as UNESCO world heritage. Island of Santiago (Ilha de Santiago), Islands of Cape Verde in the equatorial Atlantic.

746-91810 - The cistern. Fortress Forte Real de Sao Filipe. Cidade Velha, historic center of Ribeira Grande, listed as UNESCO world heritage. Island of Santiago (Ilha de Santiago), Islands of Cape Verde in the equatorial Atlantic.

746-90906 - Figure of an austrian soldier. Fort Tre Sassi at Passo di Valparola in the dolomites. Tre Sassi dates back to world war one and is now museum. Europe, Central Europe, Italy

746-91808 - The cistern. Fortress Forte Real de Sao Filipe. Cidade Velha, historic center of Ribeira Grande, listed as UNESCO world heritage. Island of Santiago (Ilha de Santiago), Islands of Cape Verde in the equatorial Atlantic.

746-90907 - Fort Tre Sassi at Passo di Valparola in the dolomites. Tre Sassi dates back to world war one and is now museum. Europe, Central Europe, Italy

746-91806 - Fortress Forte Real de Sao Filipe. Cidade Velha, historic center of Ribeira Grande, listed as UNESCO world heritage. Island of Santiago (Ilha de Santiago), Islands of Cape Verde in the equatorial Atlantic.

746-91807 - The cistern. Fortress Forte Real de Sao Filipe. Cidade Velha, historic center of Ribeira Grande, listed as UNESCO world heritage. Island of Santiago (Ilha de Santiago), Islands of Cape Verde in the equatorial Atlantic.

846-3118 - Ruins of Dunskey Castle on rugged coastline at sunset, Portpatrick, Dumfries and Galloway, Scotland, United Kingdom, Europe

1350-6353 - Historic Fort King George on Tobago island, Trinidad and Tobago.

1306-988 - Winter sunrise at the Folly of Mow Cop, Cheshire, England, United Kingdom, Europe

1306-986 - Winter and snow at the Folly of Mow Cop, Cheshire, England, United Kingdom, Europe

1306-977 - Mow Cop Castle with stormy sky at sunset, Cheshire, England, United Kingdom, Europe

1306-964 - St. James Fort at sunset, Funchal, Madeira, Portugal, Atlantic, Europe

1306-963 - St. James Fort, Funchal, Madeira, Portugal, Atlantic, Europe

1278-257 - Baroque Bratislava Castle (Bratislavsky hrad) with flag flying, Bratislava, Slovakia, Europe

1278-266 - The 18th century Palamidi Fortress citadel with bastion on the hill, Nafplion, Peloponnese, Greece, Europe

1278-267 - Drone view of Spinalonga, former leper colony fortress, Crete, Greek Islands, Greece, Europe

1131-1737 - Castle, Inner courtyard, Castelo Rodrigo village, Serra da Estrela, Beira Alta, Portugal, Europe

1131-1735 - Castle, Inner courtyard, Castelo Rodrigo village, Serra da Estrela, Beira Alta, Portugal, Europe

698-3539 - Lindisfarne Castle on a clifftop, Lindisfarne Island, Holy Island, Lindisfarne, Northumberland, England, United Kingdom, Europe

698-3537 - Bamburgh Castle and Bamburgh Castle walls from Bamburgh Village, Northumberland, England, United Kingdom, Europe

1216-589 - Castle Stalker, Appin, Scottish Highlands, Scotland, United Kingdom, Europe

1131-1723 - Treason's Gate and ramparts, Trancoso Castle, Serra da Estrela, Centro, Portugal, Europe