Harding's Battery, Europa Point, Gibraltar, United Kingdom, Europe

Harding's Battery, Europa Point, Gibraltar, United Kingdom, Europe

Harding's Battery, Europa Point, Gibraltar, United Kingdom, Europe

Great War Memorial, Gibraltar, United Kingdom, Europe

St. David's Battery, UNESCO, four guns installed 1910 by British to defend deep water channel leading to Royal Navy Dockyard and Hamilton, Bermuda

St. David's Battery, UNESCO, four guns installed 1910 by British to defend deep water channel leading to Royal Navy Dockyard and Hamilton, Bermuda

St. David's Battery, UNESCO, four guns installed 1910 by British to defend deep water channel leading to Royal Navy Dockyard and Hamilton, Bermuda

St. David's Battery, UNESCO, four guns installed 1910 by British to defend deep water channel leading to Royal Navy Dockyard and Hamilton, Bermuda

St. David's Battery, UNESCO, four guns installed 1910 by British to defend deep water channel leading to Royal Navy Dockyard and Hamilton, Bermuda

The Saluting Battery, Valletta, Malta

The German Artillery Battery at Longues-sur-Mer, Longues-sur-Mer, Normandy, France, Europe

The German Artillery Battery at Longues-sur-Mer, Longues-sur-Mer, Normandy, France, Europe

The German Artillery Battery at Longues-sur-Mer, Longues-sur-Mer, Normandy, France, Europe

Gronsvik coastal battery, Kystriksveien Coastal Road, Norway, Scandinavia, Europe

A left over artillery battery from the Falklands conflict on the outskirts of Port Stanley, Falkland Islands.

Pendennis Castle, a fortress that has protected Cornwall from invasion for 450 years, Falmouth, UK.