Puerto Rico, a vibrant Caribbean U.S. territory, dazzles with bioluminescent bays, El Yunque rainforest, and Old San Juan’s colorful colonial charm. Stroll cobblestone streets, surf Rincón’s waves, savor mofongo. Flamenco Beach in Culebra stuns. Tropical 24–32°C year-round; dry Dec–Apr ideal for festivals and hurricane-free adventures.