Hundreds of thousands of bioluminescent dinoflagellates live in each gallon of bay water, and the light show put on by these tiny creatures provide is truly a (natural) wonder to behold.

SAN JUAN, Puerto Rico (AP) — Puerto Rico senators grilled the island’s newly designated natural resources chief on Tuesday ...

The island's capital city, San Juan, is a popular port of call ... If your cruise ship leaves in the evening, consider ...

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 ...

Puerto Rico’s beaches, El Yunque rainforest, and Old San Juan’s restaurants, historic sites, and shops attract visitors to the island. Kayaking in the Vieques Bioluminescent Mosquito Bay at ...