16. Waitomo Caves
Waitomo caves are a group of cave systems comprising of some remarkable caves famous for their unique features. These caves are on the must-see list of any traveler visiting New Zealand. The Glow worm cave is inhabited by millions of glow worms who light up the cave with their eerie blue glow. The scene is so magical that you have to see it to actually believe it. Just a few meters away from the glowworm caves lies the Aranui caves which contain a great selection of stalactites and stalagmites.
Image Credit: psu