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

Old San Juan in Spanish is Viejo San Juan ... but chose instead to do a self-guided tour using the All Trails Map. It worked out great and allowed us freedom to stop when we wanted, pick it ...

Experience the rich heritage and lively atmosphere of San Juan, where colonial history meets Caribbean energy. The streets of Old San Juan, lined with colorful buildings and historic forts, reflect ...

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 ...