Top places to see in New Zealand and eTA application : The Waitomo Glowworm Caves, naturally illuminated by thousands of glowworms, are among the most unique places to go in New Zealand—and a visit to the caves is one experience you’ll be hard-pressed to duplicate anywhere else. You can take a boat ride through the caves to learn about the history and science behind the phenomenon. Or, if you really want a unique adventure, try black-water rafting with The Legendary Black Water Rafting Company, which will float you on an inner tube down a subterranean stream. It will be pitch-dark …