Castillo de San Marcos National Monument - Photos & Multimedia (U.S. National Park Service)

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Castillo de San Marcos National Monument

Panoramic view of the Castillo circa 1880

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	Castillo de San Marcos National Monument Photos & Multimedia

	Then & Now: The Castillo (13 Photos) Exterior views of the Castillo de San Marcos from its earliest beginnings. View Album \| View Slideshow
	Then and Now: The City Gates (12 Photos) The Old City Gates, originally constructed in 1739, have endured while the City has changed around them. View their history here. View Album \| View Slideshow


			Did You Know? The Castillo de San Marcos is built with the unique limestone, "coquina". Made of many tiny shell fragments and sand lightly bound together with calcite, it has survived cannon balls and hurricanes but is very fragile to human contact. Castillo de San Marcos National Monument, Florida

Last Updated: September 19, 2006 at 15:38 EST