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Guide to Castillo de San Marcos National Monument FLORIDA

Castillo de San Marcos National Monument is the perfect blend of fun, history, beauty and a must-visit on your Florida trip. See why this Spanish fort is one of the best things to do in St Augustine, the nation's oldest city.

Castillo de San Marcos National Monument is the perfect blend of fun, history, beauty and a must-visit on your Florida trip. See why this Spanish fort is one of the best things to do in St Augustine, the nation’s oldest city.