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

Tilbury Fort, Tilbury, Essex, England, United Kingdom, Europe

Cannon in the Turkish fort of Larnaka, Larnaca, Southern Cyprus, Cyprus, Europe

Dunree Fort, Lough Swilly, Inishowen Peninsula, County Donegal, Ireland