A little bit of extraterrestrial here on earth. The Waitomo Caves in New Zealand are renowned for their mesmerizing glowworms, which create a magical, starry-like glow on the cave ceilings. Located on the North Island, the caves feature limestone formations like stalactites and stalagmites, along with an underground river. Visitors can explore the dark, serene environment and witness the blue-green bioluminescent light of thousands of glowworms, making it a unique and enchanting natural wonder.