• Soldiers marching to the entrance of Castillo San Felipe del Morro

    San Juan

    National Historic Site Puerto Rico


Fortifications of Old San Juan: Guardians of the Caribbean (Teaching with Historic Places)Discover how Spanish fortifications on the island of Puerto Rico helped protect Spain's expanding interests in the New World.

La versión en español Los Castillos del Viejo San Juan: Guardianes del Caribe

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