//
Photo: Nabeel H from Cambridge, United States, CC BY-SA 2.0 via Wikimedia Commons
A former coastal defense fortification constructed between 1905 and 1912, overlooks Fort Popham.
Fort Baldwin is a former coastal defense fortification near the mouth of the Kennebec River in Phippsburg, Maine, United States, preserved as the Fort Baldwin State Historic Site. It was named after Jeduthan Baldwin, an engineer for the Continental Army during the American Revolution. The site was listed on the National Register of Historic Places in 1979.
© OpenStreetMap contributors