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An October 2017 aerial view of Kittery, the southernmost city in Maine, across the Piscataqua River from Portsmouth, New Hampshire

Title, date and keywords based on information provided by the photographer. The large building to the left is the Portsmouth Naval Prison, a notoriously stern former U.S. Navy and Marine Corps prison. The reinf More

The Portsmouth Naval Prison, a notoriously stern former U.S. Navy and Marine Corps prison on the grounds of the Portsmouth Naval Shipyard in Kittery, Maine, across the Piscataqua River from Portsmouth, New Hampshire

Title, date and keywords based on information provided by the photographer. The reinforced concrete, castle-like naval prison was occupied from 1908 until 1974. "Alcatraz of the East," as it was known, was mode More

An October 2017 aerial view of Kittery, the southernmost city in Maine, across the Piscataqua River from Portsmouth, New Hampshire

Title, date and keywords based on information provided by the photographer. The large building in the foreground is the Portsmouth Naval Prison, a notoriously stern former U.S. Navy and Marine Corps prison. The More

Piscatagua River and Naval Prison, Portsmouth, N.H (NYPL b12647398-69674)

Postcard series number: 11802 1907-1908. First series with divided backs (for message and address) exclusively.

U. S. Naval Prison from New Castle, NH

U. S. Naval Prison and Portsmouth Harbor from New Castle, New Hampshire. This was the view from the Hotel Curtis on Cranfield Street.

US Navy 081019-N-6553L-044 The Virginia-class attack submarine Pre-commissioning Unit New Hampshire (SSN 778) passes in front of the historic former naval prison as she makes her way up the Piscataqua River

KITTERY, Maine (Oct. 19, 2008) The Virginia-class attack submarine Pre-commissioning Unit New Hampshire (SSN 778) passes in front of the historic former naval prison as she makes her way up the Piscataqua Rive More