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A sentry box turret overlooks Matanzas Bay at the Castillo de San Marcos, a seventeenth century Spanish Fort in Saint Augustine, Florida.
Puerto Plata, Dominican republic: walls of San Felipe fort - erected to protect the city from pirates and corsairs - Fortaleza San Felipe - photo by M.Torres
Sites of Charleston Harbor, South Carolina, Fort Moultrie
The Citadel of Besançon (French: Citadelle de Besançon) is a 17th-century fortress in Franche-Comté.  The image shows a wall of the Citadel with the city in background -captured during summer season,
Fort Sumter, South Carolina
Citadel of Cairo or Citadel of Saladin is a medieval Islamic-era fortification in Cairo, Egypt, built by Salah ad-Din and further developed by subsequent Egyptian rulers. It was the seat of government in Egypt and the residence of its rulers for nearly 700 years from the 13th to the 19th centuries
The Tower of London, officially Her Majesty's Royal Palace and Fortress of the Tower of London, is a historic castle on the north bank of the River Thames.
Lourdes, France - July 18, 2022: Lourdes City Panorama in Summer with Château fort de Lourdes Fort Drone XXL City Panorama. Lourdes is a  World famous Pilgrim destination., a small market town lying in the foothills of the Pyrenees, famous for the Maria apparitions of Our Lady of Lourdes. Château fort de Lourdes, Lourdes, Lourdes,  Hautes-Pyrenees, France, Europe
View of the Ark fortress in Bukhara. UNESCO heritage site in Uzbekistan
Despot's Tower, part of Belgrade Fortress in Belgrade, Serbia.
Sri Lanka - Galle - The clock tower and star bastion of the famous medieval dutch fort, unesco world heritage site
Walls of the Alcazar in the town of Jerez de la Frontera, Costa de la Luz, Province of Cadiz, Andalusia, Spain.
Blaye Citadel unesco world heritage site in Gironde France
Namutoni Fort (Old Fortress of the German Schutztruppe) at Etosha National Park in Kunene Region, Namibia. It was built in 1896 as a German police post and used as a prison for English prisoners during World War I.  Destroyed in 1904 during the Battle of Namutoni, it was rebuilt a year later and declared a monument in 1947, and restored in 1957. Today it is a completely free to enter monument with no payment required and is located at Namutoni camp.
Carcassonn, France – June 30, 2022: The low-angle view of the old walls of Cite de Carcassonne before the cloudy skyline
Castillo de Carlos V castle in Fuenterrabia Hondarribia in Gipuzkoa, Guipuzcoa at Basque Country of Spain, Euskadi. Today is a Parador hotel, built in year 1200 used as a fort in 1794 by French troops, restored in 1968.
Maputo, Mozambique: Fortress of Maputo - a Portuguese early-18th-century fort - Forte de Nossa Senhora da Conceição / Fortaleza de Maputo - Designed with a quadrangular plan consisting of two bulwarks facing the earth and straight curtains, with an outer escarpment in a slope, topped with a parapet of merlons and gun emplacements, on the bulwarks and curtain facing the sea, while the sides facing the earth end in a smooth parapet. In the earth-facing curtain, there is a central door with straight lintel inserted in a detached rectilinear structure, having another door, the main one today, with straight lintel and a simple frame. Inside, it has a central patio, surrounded by a wide parade which, on three sides, corresponds to the coverage of the support buildings.
Entrance of the fortified medieval town of Cittadella. Padova, Italy.
April 20, 2023: Fort Saint-Andre in Avignon, France. Photo taken of the castle and it's powerful walls and ramparts.
Caen, France - August 06 2020: Rampart surrounding the castle of Caen and the Maison des Quatrans.
Fortezza del Priamar in Savona
Aerial view of Fort Chambly during sunset summer by the Richelieu river
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Algiers, Algeria: bastion 23 and the Raïs complex,  an 18th century set of buildings, erected under Dey Mustapha Pacha - Boulevard Amara Rashid - Bab El Oued - photo by M.Torres
Town of St Martin de Re at the Atlantic Coast of France, a Vauban fortress and a Unesco World Heritage
Looking up at the Cuban flag flying atop an old fortress known as \
Alba Iulia, Transylvania, Romania - August 09, 2021: The City Center and Fortification of Alba Iulia in Romania
Walls and buildings of Tower of London
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