forts and fortifications

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.

Fort St. Augustine. 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 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

Inside view of Fort San Marco, showing the Dungeon.

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

Fort St. Augustine. 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

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

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

View from Look-out Tower. Fort Marion, St. Augustine.

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

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

The Door way of the Fort.

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

Group of Cheyenne and Arapahoe Indians in natural costume, confined in...

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

Group of Kiowa and Caddoe [sic] Indians, in native costume, confined i...

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 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 Sumter in 1872. Stereoscope card of Charleston SC.

Ruins of Fort Sumter, 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

West Point with its fortifications etc. in 1780.

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

Medicine Water, and wife Mocchi, with Romeo, the Cheyenne interpreter,...

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 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

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

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

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

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 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.

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

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.

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 Door way of the Fort.

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

Water battery and hot shot furnace of the Old Spanish Fort, at St. Aug...

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

The Yard in 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

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

Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, 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

Interior of Fort Sumter, 1863-65. ("Madly disfigured but still in the ...

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

Interior view of Fort Sumter, taken in 1868, Charleston, S.C.

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

An east prospect of the city of Philadelphia

Public domain image of a cityscape, city view, streets, 18th-century architecture, free to use, no copyright restrictions - Picryl description.

Ft. Marion, St. Augustine, Fla. Florida Sterescope Cards Collection, N...

Public domain image of an arch structure, bridge, historic place ruins, classical architecture, free to use, no copyright restrictions - Picryl description

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

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

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

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 Marion. St. Augustine. 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

View from Look-out Tower. 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

The Yard in the Old Spanish Fort, at 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

An interior of the Old Spanish Fort, at St. Augustine.

Picryl description: Public domain image of a historical building, landmark architecture, world heritage, free to use, no copyright restrictions.

Black Horse, wife and child in native costume, confined in Fort Marion...

Picryl description: Public domain photograph of a 19th-century costume, fashion, free to use, no copyright restrictions.

Fort McHenry &c. Baltimore Maryland. 19th century stereoscope card.

Maryland 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

Fort Adams, Newport, Rhode Island. Rhode Island. 19th century stereosc...

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

Fort Sumter, 1861. 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

Interior of Fort Sumter, 1863-65. ("Madly disfigured but still in the ...

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

The Entrance to the Old Spanish Fort at St. Augustine, Florida.

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

A General view of St. Augustine.

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...

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

Drawbridge, St. Augustine. 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

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

Old Fort San Marco, now Fort Marion.

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

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

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

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

Interior of Fort Sumter, 1863-65. ("Madly disfigured but still in the ...

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 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

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

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

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