A doorway in Old San Juan located near the intersection of Calle Sol (Sun Street) and Calle Cruz (Cross Street) is decorated in the colors of the Puerto Rican flag. Hamilton/Baltimore Sun) - I'd love to come here one day.
Go kayaking (or canoeing) at night in the bioluminescent bay in Puerto Rico. It literally glows at night. go off the main island, if you go out of the bay it's a beach that you can only get to by kayak or swimming.
Castillo de San Felipe del Morro - National Park Service also known as Fort San Felipe del Morro or Morro Castle, is a citadel located in San Juan, Puerto Rico. (The construction of the Castillo San Felipe del Morro began in
Australia's Amazing Bioluminescent Lake (Also Bioluminescent Bay in Puerto Rico). An unusually high concentration of Noctiluca scintillans, a bioluminescent microorganism, turned the water a bright, glowing, ethereal blue.