![](http://www.alamy.com/thumbs/6/F1DE0959-66A1-4D64-88F6-ED7FB7943A4D/2GGCRD6.jpg)
Castillo de San Marcos Plaza de Armas courtyard (or parade ground) within the oldest masonry fort in the continental United States, in St. Augustine.
Size: 8105px × 5403px
Location: Castillo de San Marcos National Monument, Florida A1A, Matanzas Bay, St. Augustine, Florida, USA.
Photo credit: © Allen Creative / Steve Allen / Alamy / Afripics
License: Licensed
Model Released: No
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