forts fortifications

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

Picryl description: Public domain image of a romantic landscape with ruins, historical building, classical architecture, free to use, no copyright restrictions.

Bala Hissar and city of Kabul, with the British cantonments from the "...

Public domain scan of technical drawing, free to use, no copyright restrictions image - Picryl description

Neues Reich. Dynastie XIX. Theben [Thebes]. Karnak. Grosser Tempel: a....

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

Vue de la forteresse de l'Accaba [Aqabah].

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

Founding fathers. Fort Ticonderoga.

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

W. H. William Henry Bartlett - Fort Chambly.

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

Mount Carmel from the castle at Sefûrîyeh, the Sepphoris of Josephus. ...

Public domain illustrated book page scan, related to Egypt, free to use, no copyright restrictions image - 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 St. Marks Fort, St. Augustine, Florida.

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

Interior of 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

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

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

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 Spanish Fort, at St. Augustine, Florida.

Picryl description: Public domain image of an arch bridge, stone structure, architecture, free to use, no copyright restrictions.

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

A View of 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

Indian guard, confined in Fort Marion, St. Augustine, Fla.

Picryl description: Public domain image of armed forces, military conflict, conscription, infantry, free to use, no copyright restrictions.

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

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

Lunette. 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

Entrance of 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

Fort Independence, South Boston. Boston, MA. 19th Century Stereoscope ...

Boston 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 Yo... More

Fort Lafayette, New York Harbor. Distant view.

Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.

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

Picryl description: Public domain image of medieval and classical Italian architecture, Roman Empire, Italy, free to use, no copyright restrictions.

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.

Goree-landing stage and fort.. Senegal, West Africa

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

Citadel : from the s.w. outside the wall of the city

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

Siege and escalade of a city. (Kouyunjik.) [Quyunjik].

Fort Sumter, Charleston S. C. - Detroit Publishing Company Postcard

Picryl description: Public domain image of a ship, navy, harbor, maritime photograph, 19th-20th century architecture, free to use, no copyright restrictions.

View of New York from the south: Governor's Island at right, Fort--Bed...

Public domain scan of 19th-19th century print, free to use, no copyright restrictions image - Picryl description

Rushchuk. Vid na beregovye ukrepleniia na r. Dunai.

Public domain photograph of Russo-Turkish war 1877-1878, 19th century, free to use, no copyright restrictions image - Picryl description.

Round Tower, Fort Snelling, Minn.

Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description

Fort Western, Augusta, Me., Vintage Postcard by Detroit Publishing Co.

Picryl description: Public domain photo of vintage Maine postcard, free to use, no copyright restrictions image.

Drawbridge, 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

Old Spanish Fort, Tybee (Island), Ga.

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

Southwest view of Fort George with the City of New York.

Public domain scan of a print with maritime landscape, ship in the harbor, sea, free to use, no copyright restrictions image - Picryl description

Thèbes. Memnonium [Ramesseum]. Bas-reliefs sculpté dans la salle hypos...

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

Fort Monroe is seen in front, on Old Point Comfort, and in the distanc...

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

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

Public domain photograph of classic architecture, sculpture, antiquity, ancient Greece, Rome, no copyright restrictions image - Picryl description

Fort, Inside view. St. Augustine. Florida Sterescope Cards Collection,...

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

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

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

Public domain reproduction of illuminated book page, free to use, no copyright restrictions image - Picryl description

Old Fort and Causeway. 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 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

Door way. Fort Marion. 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

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

[Group portrait of the Native American prisoners.]

Picryl description: Public domain image of ethnic group, people gathering, anthropology, colonies, exotic, indigenous people, free to use, no copyright restrictions.

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

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

[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

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

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

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

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 at Fort Marion. St. Augustine.

Picryl description: Public domain image of a church, crypt, chamber, underground vault architecture, 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

Water Battery. Fort San Marco. Florida Sterescope Cards Collection, NY...

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 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

Old Spanish Fort, Tybee (Island), Ga.

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

Fort Dumpter. 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

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

Public domain scan of print depicting a sailboat or small ship, seascape, free to use, no copyright restrictions image - Picryl description

Fort Sumter, Charleston Harbor. Stereoscope card of Charleston SC.

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

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

New York in 1775 (Fort George from Harbor) ; West Point, with its fort...

Public domain scan of 19th-19th century print, free to use, no copyright restrictions image - Picryl description

Interior view of the old Spanish Castle, 'St. Marcus'. 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

Jamrud Fort and the entrance to the Khyber Pass

Public domain image of Egyptian art, free to use, no copyright restrictions photo - Picryl description

View overlooking plains at Verdun, showing one of the approaches to th...

Public domain photograph of a document related to World War One, free to use, no copyright restrictions image - Picryl description

Porto Rico [San Juan]. - Engraving, Public domain image

Public domain photograph related to Puerto Rico, free to use, no copyright restrictions image - Picryl description

North west aspect of the Citidel etc. (Halifax) 1781.

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

Fort Marion, St. Augustine, Fla.

Picryl description: Public domain photo of vintage Florida postcard, free to use, no copyright restrictions image.

Osceola's Grave, Fort Moultrie, Charleston S. C.

Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description

A corner of Christophe's Citadel. Its situation is such that it could ...

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

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

Watch Tower of 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

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

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

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

Fort Sumter, 1865. 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

A view of Niagara Fort, taken by Sir William Johnson, on the 25th of J...

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

Warriors ascending a mountain to a besieged city. [Quyunjik]

Public domain reproduction of artwork related to Ancient Assyria civilization, 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

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

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 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 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

Siege of a city on the bank of a river. (Kouyunjik) [Quyunjik].

Public domain reproduction of artwork related to Ancient Assyria civilization, free to use, no copyright restrictions image - Picryl description

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

Public domain image of a tower, historic building, medieval, 14th century, free to use, no copyright restrictions image - Picryl description.

The Sea Wall; showing Fort Marion in the distance.

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

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

Watch Tower 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

Draw bridge of 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

The Doorway of the Fort. 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

Exterior of the Fort. 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 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

Tower in the Old Fort. 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 Old Spanish Fort, (West side).

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 Native Americans.] Indians of North America. Sterescope Card...

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

Draw bridge. Fort San Marco, 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

Inside view of Fort San Marco, showing the Dungeon.

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

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

Ruins of Fort Ticonderoga, Lake Champlain.

Public domain photograph of 19th-century landscape print, engraving, free to use, no copyright restrictions image - Picryl description

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

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

Picryl description: Public domain image of a romantic landscape with ruins, historical building, classical architecture, free to use, no copyright restrictions.

Fort Sumter, 1865. 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