For the perfect Puerto Rico trip, head to this coastal beach with some amazing snorkeling, shallow reefs that are teeming ...

This south Vieques beach might not sound like much, but it's one of travelers' favorite experiences in Puerto Rico ... Bay unaccompanied, it's best experienced via a guided tour on a boat or kayak.

Thousands of tourists visit Puerto Rico to ... recommended? NO. You will need a small vessel (kayak or boat), and life ...

Whether you want to explore the rainforest, soar above the trees on a zip line, taste your way through Old San Juan or cruise to a nearby island, you'll find that a guided tour is the best way to ...

Ready for the ultimate nocturnal thrill? Experience glowing waves, firefly forests, and more with these breathtaking ...

Visit Taiwan's Matsu Islands to see the magic of bioluminescence. Photo: iStock Picture this: You're walking along a beach at night, and with every step, the water beneath your feet flickers with ...