If the second cave looks familiar ... Heading down the east coast of Kauai, turn inland south of Wailua on Hwy 580 to visit Opaeka'a Falls. If you're feeling adventurous, kayak or join a boat ...

Observing these creatures alongside Kauai's dramatic cliffs is ... Thanks to the boat's design, it can access sea caves, go beneath waterfalls and hug the coast, allowing passengers an up-close ...