1: Discover the history of Old San Juan's iconic forts

2: Step back in time at Castillo San Felipe del Morro

3: Explore the intricate architecture of Castillo San Cristobal

4: Learn about the strategic importance of Fort San Juan de la Cruz

5: Uncover the secrets of Fortín San Gerónimo

6: Marvel at the stunning views from Fort San Jerónimo

7: Dive into the military history of Fortín San Juan de la Cruz

8: Experience the ancient defenses of Castillo San Felipe del Morro

9: Immerse yourself in the beauty of Old San Juan's historic forts