The Smithsonian Magazine says this is the best time to visit Puerto Rico’s bioluminescent bay. Choosing one Bio Bay will ...

This south Vieques beach might not sound like much, but it's one of travelers' favorite experiences in Puerto Rico ... hands dipped in the water. Hundreds of thousands of bioluminescent ...

The dinoflagellates — single-celled phytoplankton that produce oxygen in water ... places to witness bioluminescent tides yourself. There’s no denying that Puerto Rico’s Mosquito Bay ...

Puerto Rico gives a winter retreat from NWMO cold By Tom Brand  Grandpa Alexander was a member of the National Geographic ...

This south Vieques beach might not sound like much, but it's one of travelers' favorite experiences in Puerto Rico ... dipped in the water. Hundreds of thousands of bioluminescent dinoflagellates ...

During the late summer months, bioluminescent plankton washes up along the shore, creating an electric-blue glow that looks unreal. The best part? You can actually wade into the water and watch ...