After the War of 1812, several fortifications were proposed to protect Portland’s harbor. The largest of which was Fort Gorges (pronounced gorgeous). The D-shaped granite fortress, modeled after Fort Sumter in Charleston, South Carolina, was constructed from 1858 to 1864. By the time of its completion, the Civil War-era design was completely obsolete, as its cannon holds were far too small for modern guns. After a failed modernization attempt in the 1870s, the fort sat empty and unused for nearly 100 years. A purpose was found for it briefly during World…