Description: Fort Popham in Phippsburg, Maine, USA, was built in 1861 during the Civil War to guard the mouth of the Kennebec River. While it was never finished, it was modified and reused during the Spanish American War and World War I.

Keywords: Fort Popham State Historic Site Phippsburg Maine ME United States of America USA Kennebec River mouth defense defence fortifications fortress American Civil War American flag green grass stone walls architecture military abandoned building ruin picture stock photo stock photography fine art photography. Image number: US.ME.Phi.0005.