Between the 16th and 20th centuries, a series of defensive structures was built at this strategic point in the Caribbean Sea to protect the city and the Bay of San Juan. They represent a fine display ...

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, and ...