The Puerto Rican military outpost founded in 1521 is not only the oldest city in the U.S., but it's vibrant with color, ...

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 ...