|  San Pedro Bastion in Castillo de San Marcos National Monument
 |  Entryway over the moat in Castillo de San Marcos National Monument
 |  Bridge over the moat to the only entrance into Castillo de San Marcos National Monument
 |  San Agustin Bastion and entryway in Castillo de San Marcos National Monument
 |  Spanish flag and cannons on top of the San Agustin Bastion in Castillo de San Marcos National Monument
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|  Entryway adjacent to the San Agustin Bastion in Castillo de San Marcos National Monument
 |  San Pablo Bastion and entryway as seen from the moat in Castillo de San Marcos National Monument
 |  Garita (Sentry Box) on the San Agustin Bastion in Castillo de San Marcos National Monument
 |  San Pablo Bastion and entryway in Castillo de San Marcos National Monument
 |  San Pablo Bastion from the moat in Castillo de San Marcos National Monument
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|  One of four Garita (Sentry Boxes) in Castillo de San Marcos National Monument
 |  Spanish flag and cannons on top of the San Agustin Bastion in Castillo de San Marcos National Monument
 |  Large Garita on the San Carlos Bastion in Castillo de San Marcos National Monument
 |  Cannon as seen from the moat in Castillo de San Marcos National Monument
 |  Garita on the San Pablo Bastion in Castillo de San Marcos National Monument
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|  Spanish Coat of Arms removed from Castillo entrance in Castillo de San Marcos National Monument
 |  Plaza de Armas at the center of Castillo de San Marcos National Monument
 |  Large Garita on the San Carlos Bastion in Castillo de San Marcos National Monument
 |  Coat of Arms on a cannon in Castillo de San Marcos National Monument
 |  Spanish soldier in the Plaza de Armas in Castillo de San Marcos National Monument
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|  Spanish artillerymen on the San Carlos Bastion in Castillo de San Marcos National Monument
 |  Artillerymen prepare to fire cannon from the San Carlos Bastion in Castillo de San Marcos National Monument
 |  Cannon preparation on top of the San Carlos Bastion in Castillo de San Marcos National Monument
 |  Artillerymen fire cannon from the San Carlos Bastion in Castillo de San Marcos National Monument
 |  Spanish Artillerymen celebrate after firing cannon in Castillo de San Marcos National Monument
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|  Cannon on the San Carlos Bastion in Castillo de San Marcos National Monument
 |  Garita on the San Pablo Bastion in Castillo de San Marcos National Monument
 |  Cannon and Spanish Flag on the San Agustin Bastion in Castillo de San Marcos National Monument
 |  Mortar and Garita on top of the San Pablo Bastion in Castillo de San Marcos National Monument
 |  Cannonball Shot Furnace added by the US Army in Castillo de San Marcos National Monument
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|  Mortar on top of Castillo de San Marcos National Monument
 |  San Pablo Bastion and moat as seen from the top of Castillo de San Marcos National Monument
 |  Looking down the barrel of a mortar in Castillo de San Marcos National Monument
 |  Tools of the Spanish Artillerymen used to fire cannons in Castillo de San Marcos National Monument
 |  The San Agustin Bastion looking out over Matanzas Bay in Castillo de San Marcos National Monument
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|  National Park Service Ranger at Castillo de San Marcos National Monument
 |  Sleeping quarters in Castillo de San Marcos National Monument
 |  Carvings of a British ship on an interior fort wall in Castillo de San Marcos National Monument
 |  Storage room in Castillo de San Marcos National Monument
 |  Garita on top of San Pablo Bastion in Castillo de San Marcos National Monument
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|  Brown Anole lizard in Castillo de San Marcos National Monument
 |  Garita on top of the San Pablo Bastion in Castillo de San Marcos National Monument
 |  Silhouette and shadow of the San Pablo Bastion in Castillo de San Marcos National Monument
 |  San Pedro Bastion looking toward the entrance in Castillo de San Marcos National Monument
 |  The sun setting on the San Pedro Bastion in Castillo de San Marcos National Monument
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