Spanning 27 acres, Castillo San Cristóbal was built to protect Old San Juan from ... Both the Fort San Cristóbal and El Morro dominate the San Juan Harbor. You should plan to stop by San ...

Looking for the best things to do in Old San Juan Puerto Rico? My trip to Puerto Rico far exceeded my already high expectations. I knew it would be great, but let me tell you, it was ahhmazzing!

U.S. News Insider Tip: Many visitors flock to Old San Juan for nightlife, but you'll find more locals in La Placita de Santurce, a farmer's market by day that hums with music, dancing, dining ...