Fort Kent
Maine, United States
Fort Kent, located at the confluence of the Fish and Saint John rivers in the town of Fort Kent, Maine, United States, is the only surviving American fortification built during the border tensions with neighboring New Brunswick known as the Aroostook War. It is preserved as the Fort Kent State Historic Site, which features an original log blockhouse that is open for visits in the summer. The fort was added to the National Register of Historic Places in 1969 and declared a National Historic Landmark in 1973.
Fort data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).