Inside view of Fort San Marco, showing the Dungeon.

Stairway of Fort San Marco.

Stairway of Fort San Marco.

Draw bridge. Fort San Marco, Fla.

Southwest view. Fort San Marco, Fla.

Water Battery. Fort San Marco.

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

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

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

Interior. Old Spanish Fort, St. Augustine, Fla.

Interior. Old Spanish Fort, St. Augustine, Florida.

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

Fort San Marco. St. Augustine, Florida.

Arched stairway, leading to the barbette.

Fort Marion. St. Augustine.

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

Exterior view of the old Spanish Castle, 'St. Marcus'. St. Augustine, Fla.

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

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

The Old Spanish Fort. St. Augustine, Fla. (The Drawbridge).

Group portrait of the Native American prisoners.

Group portrait of the Native American prisoners.

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

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

Southwest view of Fort San Marco.

Southwest view of Fort San Marco.

Interior of Old Fort San Marco.

Fort Marion, St. Augustine.

Interior of Old Fort San Marco.

Old Fort San Marco, now Fort Marion.