forts and fortifications

Fort San Marco. Florida Sterescope Cards Collection, NYPL.

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

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

Interior of Old Fort San Marco, 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.

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

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

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

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

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. Stereoscope card of Charleston SC.