832-397468 - Uttar Pradesh, View from Agra Fort to the Taj Mahal Tomb, North India, India, Asia

832-397467 - Uttar Pradesh, Agra Fort, the Red Fort, in the palace complex, North India, India, Asia

832-397487 - Rajasthan, the exterior of Junagarh Fort in Bikaner, North India, India, Asia

832-397470 - Uttar Pradesh, Agra Fort, the Red Fort is a fortification and palace complex from the era of the Mughal emperors, part of the fortification complex, North India, India, Asia

832-397469 - Uttar Pradesh, Agra Fort, the Red Fort is a fortification and palace complex from the era of the Mughal emperors, North India, India, Asia

1278-296 - Valletta, Malta 18th century Baroque architecture Fort Manoel by sea, star bastion fortification north west of Maltese capital.

746-88677 - Bastioni Pigafetta, Alghero, Sardinia, Italy, Europe

746-88673 - Sunset over the Harbor, Alghero, Sardinia, Italy, Europe

797-11791 - Greece, Crete, Knossos, The north entrance, depicting the charging bull fresco, Knossos Palace.

797-11789 - Greece, Crete, Knossos, The north entrance, Knossos Palace.

797-11790 - Greece, Crete, Knossos, The north entrance, depicting the charging bull fresco, Knossos Palace.

832-269204 - Fort de Chartres, one of three French forts with this name, built in the 18th century near the Mississippi, Fort de Chartres State Historic Site, Prairie du Rocher, Illinois, USA

832-254076 - Olavinlinna Castle, water castle, Savonlinna, East Finland, Scandinavia

832-247918 - Gunpowder tower Krudttarnet, Frederikshavn, Jutland, Denmark, Europe

832-247917 - Gunpowder tower Krudttarnet, Frederikshavn, Jutland, Denmark, Europe

832-244408 - Aerial view, mediaeval citadel, bastion, Juelich, Rhineland, North Rhine-Westphalia, Germany, Europe

832-245135 - Aerial photo, Altena Castle, Lenne River, Altena, Maerkischer Kreis, Sauerland, North Rhine-Westphalia, Germany, Europe

832-232338 - Spanjaardsgat Fortress, part of the medieval city wall, Breda, Province of North Brabant, Noord-Brabant, Netherlands, Benelux, Europe

832-222270 - Tunisian flag, port fortification, Kasbah, old town, medina, Hammamet, Tunisia, Northern Africa

832-222271 - Port fortification, Kasbah, old town, medina, Hammamet, Tunisia, Northern Africa

832-214156 - North Tower, Wewelsburg, triangular castle, former Nazi cult and terror center of the ss, today historical museum, hostel, Bueren, Paderborn, North Rhine-Westphalia, Germany, Europe

832-214158 - Sign with German inscription Kein Eingang, no entrance, Wewelsburg, triangular castle, former Nazi cult and terror center of the ss, today historical museum, hostel, Bueren, Paderborn, North Rhine-Westphalia, Germany, Europe

832-214150 - Towers, Wewelsburg, triangular castle, former Nazi cult and terror center of the ss, today historical museum, hostel, Bueren, Paderborn, North Rhine-Westphalia, Germany, Europe

832-209807 - Hoerder Burg, former head office of the Hermannshuette smeltery, Hoerde, Dortmund, North Rhine-Westphalia, Germany, Europe

832-203095 - Cliffords Tower, York, North Yorkshire, England, United Kingdom, Europe

832-187431 - Fortress, Juelich Citadel, North Rhine-Westphalia, Germany, Europe

832-187424 - Fortress, Juelich Citadel, North Rhine-Westphalia, Germany, Europe

832-187427 - Fortress, Juelich Citadel, North Rhine-Westphalia, Germany, Europe

832-187434 - Fortress, Juelich, North Rhine-Westphalia, Germany, Europe

832-187430 - Fortress, Juelich Citadel, North Rhine-Westphalia, Germany, Europe

832-187440 - Fortress, Juelich, North Rhine-Westphalia, Germany, Europe

832-187423 - Fortress, Juelich Citadel, North Rhine-Westphalia, Germany, Europe

832-179693 - Historic adobe fort in Tamanrasset, Wilaya Tamanrasset, Algeria, Sahara, North Africa

832-165522 - Kasteel Ammersoyen medieval moated castle, North Brabant, Holland, Netherlands, Europe

1126-407 - North Bastion view over Essaouira, Morocco, North Africa, Africa

832-157662 - Castle, historic town, Stolberg, North Rhine-Westfalia, Germany, Europe

832-156477 - Aerial photo, Burg Schnellenberg Castle in the snow in winter, Attendorn, North Rhine-Westphalia, Germany, Europe

832-99984 - Burg Drachenfels castle ruins, Koenigswinter, Rhineland, North Rhine-Westphalia, Germany, Europe

832-143416 - Wewelsburg castle in Almetal, now youth hostel and local district museum, Paderborn, North Rhine-Westphalia, Germany, Europe

832-140803 - Portuguese fortress in the old town of Essaouira, Unesco World Heritage Site, Morocco, North Africa, Africa

832-138343 - Aerial view, motte, renovated Schloss Hohenlimburg castle, Hagen, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

832-138341 - Aerial view, motte, renovated Schloss Hohenlimburg castle, Hagen, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

832-138339 - Aerial view, motte, renovated Schloss Hohenlimburg castle, Hagen, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

832-138342 - Aerial view, motte, renovated Schloss Hohenlimburg castle, Hagen, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

832-138340 - Aerial view, motte, renovated Schloss Hohenlimburg castle, Hagen, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

832-132297 - Castle tower, Kurkoelnische Landesburg, Kempen, North Rhine-Westphalia, Germany, Europe

832-129763 - Kyrenia Castle, Girne, northern Cyprus, Cyprus

832-130233 - Boldt Palace, Thousand Islands, Ganaoque, Ontario, Canada

832-126623 - Cableway between Koblenz and the Festung Ehrenbreitstein fortress, opening of the BUGA Federal Garden Show in 2011, Koblenz, North Rhine-Westphalia, Germany, Europe

832-129757 - Kyrenia Castle, Girne, northern Cyprus, Cyprus

832-129750 - Kyrenia Castle, Girne, northern Cyprus, Cyprus

832-129761 - Kyrenia Castle, Girne, northern Cyprus, Cyprus

832-126622 - Cableway between Koblenz and the Festung Ehrenbreitstein fortress, opening of the BUGA Federal Garden Show in 2011, Koblenz, North Rhine-Westphalia, Germany, Europe

832-115821 - The sandy beach in the beach resort Corne d'Or, former stronghold, Tipasa, Algeria, Africa

832-124265 - Lee's Fort, built in 1880, detailed view, Lee's Ferry, Arizona, USA

832-123025 - Kaernan, a medieval tower, Helsingborg, Skane, Sweden, Europe

832-123022 - Glimmingehus, a medieval stronghold, Skane, Sweden, Europe

832-106706 - Othello tower guard and living tower, Famagusta, North Cyprus, Turkish, Cyprus, South Europe

832-109086 - Historic French adobe fort at Tamanrasset, Algeria, Sahara desert, North Africa

832-103439 - Schwanenburg castle, courtyard, Kleve, Niederrhein region, North Rhine-Westphalia, Germany, Europe

832-104413 - Schloss Waldeck Castle, Edersee lake, Kellerwald National Park, North Hesse, Germany, Europe

832-115824 - Beach resort Corne d'Or, former stronghold, Tipasa, Algeria, Africa

832-113115 - Hammershus castle ruins, Bornholm, Denmark, Europe

832-115825 - Beach resort Corne d'Or, former stronghold, Tipasa, Algeria, Africa

832-104414 - Schloss Waldeck Castle, Edersee lake, Kellerwald National Park, North Hesse, Germany, Europe

832-115823 - Beach resort Corne d'Or, former stronghold, Tipasa, Algeria, Africa

832-95025 - Indian tourists, Bekal Fort, Bekal, North Kerala, Kerala, India, Asia

832-73614 - Medieval Glimmingehus castle, Simrishamn Municipality, Scania, southern Sweden, Europe

832-88006 - Hammershus castle ruins, Bornholm, Denmark, Europe

832-70153 - Burg Altena Castle, Altena, Lennetal, Maerkisches Land, Sauerland, North Rhine-Westphalia, Germany, Europe, PublicGround

832-87994 - Hammershus castle ruins, Bornholm, Denmark, Europe

832-80853 - Citadel, Festung Juelich fortress, North Rhine-Westphalia, Germany, Europe

832-70045 - Burg Gemen, moated castle, Youth Education Centre, Gemen, Borken, Muensterland, North Rhine-Westphalia, Germany, Europe

832-86457 - Crusader Castle of St. Hilarion, Turkish part of Cyprus

832-77928 - Kasbah in the Anti-Atlas Mountains, Morocco, North Africa, Africa

832-67190 - Burg Gemen castle, moated castle, special venue for young people, Borken, Muenster district, Muensterland region, North Rhine-Westphalia, Germany, Europe, PublicGround

832-55581 - Yellow fishing boat off Bekal Fort, Bekal, North Kerala, Malabar Coast, South India, Asia

832-40344 - Defence tower, Dromedaris, Enkhuizen, North Holland, Holland, Netherlands, Europe

832-40342 - Defence tower, Dromedaris and ships in the harbour, Enkhuizen, North Holland, Holland, Netherlands, Europe

724-2215 - Skala of the Kasbah, a crenellated bastion 300 metres in length, built on the cliffs to protect the city on its seaward side, Essaouira, historic city of Mogador, Morocco, North Africa, Africa

724-2238 - Old cannon, Skala of the Kasbah a mighty crenellated bastion, 300 metres in length, built on the cliffs to protect the city on its seaward side, Essaouira, historic city of Mogador, Morocco, North Africa, Africa

724-2239 - Old cannons, Skala of the Kasbah a mighty crenellated bastion, 300 metres in length, built on the cliffs to protect the city on its seaward side, Essaouira, historic city of Mogador, Morocco, North Africa, Africa

724-2240 - Old cannons, Skala of the Kasbah a mighty crenellated bastion, 300 metres in length, built on the cliffs to protect the city on its seaward side, Essaouira, historic city of Mogador, Morocco, North Africa, Africa

712-1106 - North Bastion entrance to the city, Essaouira, Morocco

712-1100 - North bastion, town walls, Essaouira, Morocco, North Africa, Africa