Swedish battery of Fort Gustav III - Credit: Wikimedia Commons
The Swedish battery of Fort Gustav III (French: Batterie suédoise du fort Gustav III) (also Fort Gustav or Fort Gustave) is a historic military battery built in 1787. It is located in Gustavia on the island of Saint Barthélemy, a dependency of France in the Caribbean. The remains of Fort Gustav are registered on the French national list of historic monuments. Read more on Wikipedia
Source: en.wikipedia.org