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Fort Zachary Taylor, near southern tip of Key West, Florida.
Beautiful aerial view of the St Augustine, the oldest town in USA. the castle of San Marcos National Monument, Flagler College and the Matanzas Bay
Ipiranga in Sao Paulo, Brazil
Tower of London. The Tower of London, officially His Majesty's Royal Palace and Fortress of the Tower of London, is a historic castle on the north bank of the River Thames in central London, England.
Southampton Old Town Walls, defensive structures built around the town in southern England
Ft McHenry in Baltimore, MD
London, United Kingdom - June 30, 2010 : Western outer wall of the secure fortress, Royal Palace, and infamous prison.
Aarhus, Denmark. Sunday 10 April 2022. Old town Aarhus from the waterfront in Denmark.
A wide-angle view of the Tower of London reveals the surrounding landmarks - some traditional with spires and others modern glass high-rise buildings in odd geometrical shapes.
Moat To Entrance Of Kalemegdan In Belgrade, Serbia
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.
Tower of London in City of London - London UK
Blaye Citadel unesco world heritage site in Gironde France
View of Tower of London across the river Thames
Aerial view houses and harbor Harlingen, Dutch village at Wadden Sea
Tower of London Castle in Downtown London England Europe Brick Architecture. Wide. Copy Space.
Fort Clinch State Park at Fernandina beach in Nassau County, Florida USA
Tower of London city morning sunrise
Scenic view of the outer curtain wall of the Tower of London, iconic Royal Palace and Fortress in England, UK
Tower of London, London, England
barbican - the remains of medieval brick defensive fortifications in the city of Poznan, Poland
The entrance of the medieval castle Het Steen (The Stone), in Antwerp, Belgium, showing the flags of Antwerp, EU and, Flanders and Belgium
This aerial drone photo shows the boulevard of Vlissingen, a coastal town in Zeeland, the Netherlands.
Tower Of London in London England United Kingdom During Daytime Blue Sky Clouds Solar Flare Beaming through Tree.
London with Tower Hill old castle in England, UK
Daytime view of the Tower of London on the river Thames (England).
Ivangorod, Russia - August 7, 2021: Museum in Ivangorod Fortress. It is a former small gunpowder barn of 17 century. The fortress was built in 1492.
Detail of the Steep Walls of 17th Century naval fortress in Plymouth
View from the boat of Fort Sumter National Monument in Charleston SC. USA
A remnant of the Upper Castle from the Middle Ages, the Gediminas' Tower stands on this iconic hill.  This hill is where the Baltic Way began.  Here in Vilnius, one of the longest human chains in history began as a form of peaceful protest.  Approximately two million people held hands simultaneously, forming a connected line across all three of the Baltic States, from Lithuania up to Latvia and Estonia.  This was a massively powerful protest for the independence of the states and it even led to the Soviet Union acknowledging their crimes against the Baltic States and the three countries gained independence as a result.  This historical landmark is a powerful reminder of this inspiring movement.
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