15 Best Places to Experience Bioluminescence

The humble glow worm is, in fact, a catchall term for numerous glowing creatures, from gnat larvae to fire flys to algae, that can be found all over the world. These tiny critters illuminate the night through bioluminescence, a process in which light is emitted by internal chemical reactions. Bioluminescence has evolved independently in over 90 different species, first emerging some 540 million years ago, and today, it’s still possible to observe the phenomenon firsthand...if you know where to look. From an abandoned tunnel in Australia, whose dank, dark walls are the perfect breeding ground for fungus gnats; to coral reefs in the Maldives that come alive at night with shimmering phytoplankton, these places are full of fascinating history and natural wonders. They’re living proof that many of the earth’s most fantastic places are off the beaten path, in the nooks and crannies (literally) where many never think to explore. 1. Waipu Caves 📍 Waipu, New Zealand Best time to go: Oct.-April These caves on New Zealand’s North Island are a lesser-known alternative to the more famous (and often over-crowded) Waitomo Glowworm Caves farther south. Visitors must venture through the caves’ fi…