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 tour up the Wailua River to see the Fern ...

U.S. News Insider Tip: If you're lucky enough to visit Wailua Falls when locals are selling homemade banana bread out of the back of their trucks, be sure to have cash on hand to buy a loaf – it ...