forts fortifications

A General view of St. Augustine.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Doorway of the Old Spanish Fort, San Marco.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Kiowa, Comanchee, and Caddoe Indians, confined in Fort Marion. St. Aug...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Fort Sumpter [Sumter], Charleston Harbor. Stereoscope card of Charlest...

Interior of Fort Moultrie. Battery "B" and group of palmette trees in ...

North Carolina stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More

John Ogilby - Het Fort Oranje en Nassou opt Eiland Goeree.

Public domain scan of 17th-18th century landscape print, free to use, no copyright restrictions image - Picryl description

Fort Niagara, N.Y.: Plan of Fort Niagara with its environ.

Public domain scan of settlement or building architecture plan, free to use, no copyright restrictions image - Picryl description

Fort Niagara taken from the British side of the River at Newark, 1814.

Public domain illustrated book page scan, American, free to use, no copyright restrictions image - Picryl description

The Door way of the Fort, showing the old Spanish Coat of Arms over th...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Spanish Coat of Arms. Ft. Marion, St. Augustine, Florida.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Stairway in the Old Spanish Fort at St. Augustine, Florida.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Doorway of the Old Spanish Fort, San Marco.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Old St. Marks Fort, St. Augustine, Florida.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Watch Tower of the Old Spanish Fort, at St. Augustine, Florida.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Stairway in the Old Spanish Fort, at St. Augustine, Florida.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

St. Augustine, from Fort Marion. Florida Sterescope Cards Collection, ...

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Stage fort. Gloucester MA. Stereoscope card, 19th century.

Massachusetts stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker wh... More

Ft. Mackinac. 19th century. Stereoscope card.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The 30 lb. [...] parrot guns that shelled Charleston from Morris Islan...

Picryl description: Public domain image of the back of stereograph card, stereoscopic view, free to use, no copyright restrictions

Fort Sumter, 1861. Stereoscope card of Charleston SC.

[Fort Sumter, 1861.] Stereoscope card of Charleston SC.

Interior of Fort Sumpter [Sumter]. James Island in the distance.

North Carolina stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More

Fort Johnson, James Island. Fort Sumpter [Sumter] in the distance

North Carolina stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More

Fort Sumter, 1865. Stereoscope card of Charleston SC.

Ruins old Spanish fort preserved by the Martyr Tree.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Fort de Sans-Souci, à Haiti.

Picryl description: Public domain image of a fort tower, stone walls, fortification, 18th-19th century, free to use, no copyright restrictions.

General view of Elmina.

Public domain image of a historic view of Boston Harbor, Massachusetts, free to use, no copyright restrictions - Picryl description

View of Fort George with the City of New York from the SW

Public domain photo of vintage New York postcard, 18th century, free to use, no copyright restrictions image - Picryl description.

View entitled Indians of North America. Sterescope Card.

Arizona Stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Canaletto - La Torre di Malghera

Public domain image of Venice, Italy, Canaletto, free to use, no copyright restrictions image - Picryl description

Fort Point and Golden Gate, San Francisco, Cal.

California Stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who a... More

Fort d'Elmina (anglais), sur la Côte-d'Or. (D'après une aquarelle inéd...

Public domain image from the Schomburg Center for Research in Black Culture in Harlem, 19th century, free to use, no copyright restrictions image - Picryl description. The Schomburg Center for Research in Black... More

Group of the 3 most celebrated Indian Chiefs and 2 women prisoners.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Old Spanish Fort, built 1620. St. Augustine, Fla.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

The Chapel and Dungeon doors, Fort Marion, St. Augustine.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Old Fort San Marco. Florida Sterescope Cards Collection, NYPL.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Interior of Ft. Mackinac. 19th century.

Michigan stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who ass... More

Ruins at Crown Point, Officer's Quarters.

Public domain image related to an industrial revolution, industry history, factory building, 19th century, free to use, no copyright restrictions image - Picryl description.

The 30 lb. [...] parrot guns that shelled Charleston from Morris Islan...

Picryl description: Public domain image of a cannon, artillery gun, free to use, no copyright restrictions.

Fort Sumpter [Sumter], Charleston Harbor. Stereoscope card of Charlest...

North Carolina stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More

Fort Sumpter [Sumter] from the Bar. Charleston, S.C.

North Carolina stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More

Interior of Fort Moultrie. Battery "B" and group of palmette trees in ...

North Carolina stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More

Fort Sumter. Stereoscope card of Charleston SC.

North Carolina stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More

Castle William, Governor's Island. New York

Picryl description: Public domain historical photo of the address side of postcard, free to use, no copyright restrictions image.

Fort Point and Golden Gate, San Francisco, Cal.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Fort Point, East side. Sterescope Cards NYPL Collection.

Picryl description: Public domain image of the back of stereograph card, stereoscopic view, free to use, no copyright restrictions

Watch Tower, Ft. Marion, St. Augustine, Fla.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Dungeon in the Old Spanish Fort, from which, Wild Cat, a celeberat...

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Stairway in Old Fort San Marco.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Entrance of Fort San Marco. Florida Sterescope Cards Collection, NYPL.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Old Spanish Fort, (West side).

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

St. Augustine, Florida. [Draw bridge]. Florida Sterescope Cards Collec...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Stairway in the Old Spanish Fort, at St. Augustine, Florida.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Stairway in the Old Spanish Fort, at St. Augustine, Florida.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Watch Tower of the Old Spanish Fort, at St. Augustine, Florida.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Section. Fort Marion, Looking east. St. Augustine, Fla.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Fort Pulaski. Collection of Georgia Sterescope Cards

Picryl description: Public domain image of the back of stereograph card, stereoscopic view, free to use, no copyright restrictions

Interior Fort Moultrie [?], 1869. Stereoscope card of Charleston SC.

Fort Sumpter [Sumter], sea face, looking north.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Interior of Fort Sumpter [Sumter], showing gabions and bomb-proofs.

North Carolina stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More

Ruins old Spanish fort preserved by the Martyr Tree.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Siege of a city on the bank of a river. (Continued.) (Kouyunjik) [Quyu...

View of Presidio Fort from river side.

California Stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who a... More

The Door way of the Fort.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

The Moat. Ft. Marion, St. Augustine, Fla.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

A View of the Old Spanish Fort at St. Augustine, Florida.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

Southwest view of Fort San Marco.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

East view and Hot shot furnace of the Old Spanish Fort at St. Augustin...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Doorway of the Fort. Florida Sterescope Cards Collection, NYPL.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Fort Adams, Newport, R.I. Rhode Island. 19th century stereoscope card.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Fort Sumpter [Sumter]. The interior. Stereoscope card of Charleston SC...

Fort Sumpter [Sumter] from the Bar. Charleston, S.C.

North Carolina stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More

Ruins old Spanish fort and Martyr Tree.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Le fort de Bammako. - A black and white drawing of a river with people...

Picryl description: Public domain image from the Schomburg Center for Research in Black Culture in Harlem, free to use, no copyright restrictions image. The Schomburg Center for Research in Black Culture in Har... More

The fort of El Oual Hadj.. Tombouctou, Mali, Western Africa

Picryl description: Public domain image from the Schomburg Center for Research in Black Culture in Harlem, free to use, no copyright restrictions image. The Schomburg Center for Research in Black Culture in Har... More

Saalburg. Wasserholen [fetching water]

Public domain photograph related to the history of Germany, free to use, no copyright restrictions image - Picryl description

Saalburg ; Auf Wache [on guard]

Public domain photograph related to the history of Germany, free to use, no copyright restrictions image - Picryl description

Fortifications on the James - Public domain dedication image

The albumen silver print is a photographic printing process that was widely used in the 19th century. It involves coating paper support with a mixture of egg whites and salt, which creates a glossy surface to h... More

Granai e torri degli alloggiamenti

Public domain photograph of 18th-19th-century vintage ephemera, free to use, no copyright restrictions image - Picryl description

Vue de la citadelle Laferrière.

Picryl description: Public domain image from the Schomburg Center for Research in Black Culture in Harlem, free to use, no copyright restrictions image. The Schomburg Center for Research in Black Culture in Har... More

The Moat. Ft. Marion, St. Augustine, Fla.

Public domain image of a medieval city, castle, cathedral, architecture, 14th century, free to use, no copyright restrictions image - Picryl description

Entrance. Ft. Marion, St. Augustine, Fla.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Water battery and Hot shot furnace of the Old Spanish Fort at St. Augu...

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Stairway in the Old Spanish Fort at St. Augustine, Florida.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Interior of Fort St. Augustine, Florida.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Old St. Marks Fort, St. Augustine, Florida.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Interior of Old Fort San Marco, St. Augustine, Florida.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Old Spanish Fort, built 1620. St. Augustine, Fla.

Picryl description: Public domain image of a fort tower, stone walls, fortification, 18th-19th century, free to use, no copyright restrictions.

Interior view of the Old Spanish Fort, at St. Augustine, Florida.

Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Fort Pulaski. Collection of Georgia Sterescope Cards

Georgia stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Fort Adams, Newport, R.I. Rhode Island. 19th century stereoscope card.

Rhode Island stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who... More

Interior of Fort Sumpter [Sumter]. James Island in the distance.

North Carolina stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker w... More

Fort McAllister, Georgia. Collection of Georgia Sterescope Cards

Georgia stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse... More

Fort Point, from the West side.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

South view of the Old Spanish Fort, showing the draw bridge. St. Augus...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

The Lock on the dungeon door of the Old Spanish Fort, at St. Augustine...

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description

Stairway in the Old Spanish Fort at St. Augustine, Florida.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

The Door way of the Fort.

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.

The Spanish Coat of Arms and inscription over the gate or Sallyport of...

Picryl description: Public domain image of military training, armed forces fort, camp, exercise activity, free to use, no copyright restrictions.

Old Spanish Fort, built 1620. St. Augustine, Fla.

Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description