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 ...

Explore the historic charm of Old San Juan, Puerto Rico ... Wojcicki 'The universe has thrown us a curveball': Largest-ever map of space reveals we might have gotten dark energy totally wrong ...

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 ...