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aerial view of Fort Henry, Ontario Canada
Czestochowa monastery - poland
barbican - the remains of medieval brick defensive fortifications in the city of Poznan, Poland
Aerial view of Koknese medieval castle ruins on the bank of Daugava river. Koknese Castle dating from the 13th century. The castle was situated on a high bluff overlooking the Daugava river valley. In 1965 a hydroelectric dam was built downriver, creating a reservoir That partially submerged flooded the castle and the surrounding valley.
Wide angle view of the historic walls of the fortified town of Lucca, Italy, in the Tuscany region of Italy.
Aerial view of aqueduct  on the big lake in  Netherlands
Amber Museum in the Don fortress tower, Kaliningrad, Russia, August 31, 2021
Fortress wall at Fort Knox State Park, Prospect, Maine, USA
View of the Grodno Old Castle (Grodno Upper Castle) on the banks of the Neman River on a sunny day, Grodno, Belarus
Freight ships in the Lanaye locks where the Albert Canal connects to the river Meuse close to Liege and Maastricht. Drone point of view.
Rupea fortress, Brasov county, Romania. Medieval saxon landmark of Transylvania
Ontario, Canada.
Monastery of Saint Euthymius Wall, UNESCO World Heritage Site, Suzdal, Russia
The castle of the Livonian Order was built in the 14th century, destroyed in the 17th century and then not restored
Medieval Vyborg Castle is Swedish-built fortress. White tower of Saint Olav with flag. Historical and architectural landmark in Russia.
Porto old town, Portugal
View of the tower Der Dona from the Top lake in Kaliningrad
Belgrade, Serbia - 20th of June, 2021. Main Building Of Institute For Protection Of Cultural Monuments On Kalemegdan.
Kirilovo-Belozersky Monastery standing in a picturesque place on the shore of Lake Siverskoye
Port Hope, Canada.
Czersk, Poland - July 15, 2024: Mazovian Princes medieval Castle in with Western Tower, defense brick walls and inner yard in Czersk village near Warsaw in Poland
Malmo Castle, also known as Malmohus Slott in the afternoon light, Sweden
Battle of Crysler's Farm National Historic Site, aerial view
Drone view of the abandoned Hojerup Church at Stevns Klint in Denmark . The church dates back to 1250 but it was was abandoned in the early 20th century after the cliffs below started to fall into the sea, but it is maintained and it is now  a popular tourist spot. A new church was built a couple of hundred meters away.
Meilang Twin Towers, Chengmai County, Hainan
Majestic View Of Danube River And Park From Kalemegdan In Belgrade, Serbia
An old red brick fortress on the beach . Historical antique world. Background or screensaver for stories about history, archeology, and travel.
Port Hope, Canada.
An medieval stone castle located on a lake
Aerial view of a hydroelectric power station
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