Curated OER
National Park Service: The Forts of Old San Juan: Guardians of the Caribbean
Visit such Spanish sites in Puerto Rico as El Morro, the fort that provided the keystone to protection of the Spanish Empire that spread across the Caribbean. Many photographs and drawings.
Curated OER
National Park Service: Los Castillos Del Viejo San Juan: Guardianes Del Caribe
A great site for Spanish Exploration. See one of the greatest fortresses in the Western Hemisphere. King Phillip IV called it "The front and vanguard of all my West Indies, and consequently the most important of them all and the most...