Waitomo is a network of underground limestone caves known for their glowworms, a unique species of bioluminescent insect found exclusively in New Zealand, as well as for their underground rivers and stunning rock formations. You can explore the caves by boat or by foot, taking in the spectacular natural beauty of the caves and the glowworms that light up the darkness. Some of the most popular caves to explore include the Glowworm Cave, the Aranui Cave, and the Ruakuri Cave. Waitomo is a must-see attraction for anyone visiting New Zealand, offering a unique and unforgettable experience.