SPANISH FORTIFICATIONS
El Morro, Havana, Cuba
Castillo de San Marcos, St. Augustine, Florida
Fort Matanzas, Florida
Baluarte de Santiago, Veracruz, Mexico
Fort San Juan de Ulua, Veracruz, Mexico
Fort San Miguel, Campeche, Mexico
El Morro, San Juan, Puerto Rico
Fortaleza Ozama, Santo Domingo, Dominican Republic
Intramuros, Manila, Philippines
Fort Santiago, Manila, Philippines