| Fern Grotto River Cruise |
 The Fern Grotto is a geological wonder of Kauai. Here, the ferns grow upside down from the roof of the grotto, which was formed millions of years ago. Walk through a lush rainforest full of colorful exotic tropical and Native Hawaiian plants. Then cruise down the famous Wailua River listening to songs and stories of ancient Hawaii. Price: 18.00 |