O, this enchanting forest in the Chūgoku region of Japan is the home to gold fireflies that charm the area regularly every year and in other areas of Japan with clean water. Many people attend a Hotaru Matsuri (Firefly Festival). Amazing :D I love Japan
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.