Fort Pickens was completed in 1834 and was in use until 1947 and is part of the Gulf Islands National Seashore. It is one of three forts, including Fort McRee and Fort Barrancas, that protected the entrance to Pensacola Bay. Established in 1971, The Gulf Islands National Seashore is the largest national seashore in the Americas, with portions in the Gulf of Mexico in the states of both Florida and Mississippi.

Fort Pickens was completed in 1834 and was in use until 1947 and is part of the Gulf Islands National Seashore. It is one of three forts, including Fort McRee and Fort Barrancas, that protected the entrance to Pensacola Bay. Established in 1971, The Gulf Islands National Seashore is the largest national seashore in the Americas, with portions in the Gulf of Mexico in the states of both Florida and Mississippi.

Fort Pickens was completed in 1834 and was in use until 1947 and is part of the Gulf Islands National Seashore. It is one of three forts, including Fort McRee and Fort Barrancas, that protected the entrance to Pensacola Bay.

Established in 1971, The Gulf Islands National Seashore is the largest national seashore in the Americas, with portions in the Gulf of Mexico in the states of both Florida and Mississippi.

Ft. Morgan state historic site out buildings in Gulf Shores, Alabama.

Ft. Morgan state historic site out buildings in Gulf Shores, Alabama.

Ft. Pickens is a civil war era fort in Pensacola, Florida. The arches are typical of this type of construction.

This is part of the interior of Ft. Pulaski in Savannah, Georgia. It was completed in 1847 by Major Babcock with the assistance of then Second Lieutenant Robert E. Lee, newly graduated from West Point.

Ft. Pulaski is built on Cockspur Island on the site of two previous earth and log forts; Ft. George built in 1761 and Ft. Greene built in 1795. The island is located just inside the mouth of the Savannah, River.

Battery Dearbord at Ft. Morgan in Gulf Shores, Alabama

Interior of battery Dearbord at Ft. Morgan in Gulf Shores, Alabama

Battery Bowyer at Ft. Morgan in Gulf Shores, Alabama. Ft. Morgan sets at the end of Alabama State Road 180 on the east side of the mouth of Mobile Bay.

The postern tunnel, or access tunnel, through the fort walls originaqlly had a dirt floor. Doors at both ends of the tunnel were closed during times of attack. Ft. Morgan is located at the western end of Alabama State Road 180 on the eastern shore of the mouth of Mobile Bay.

The dry moat at Ft. Morgan between the glacis, or sloping cleared ground around the fort, and the fort's inner walls. During an attack, the moat could be used to move around the fort. Ft. Morgan is at the western end of Alabama State Road 180 on the eastern shore of the mouth of Mobile Bay.