Read more: 25 Enchanting Real Castles Around The World Among the best things to do in Hawaii is the hike to Manoa Falls, which is also one of the most iconic activities on Oahu. It's a short drive ...

To enjoy the beauty of the falls without rubbing elbows with hordes of tourists, previous travelers suggested arriving before 10 a.m. You can hike in the Manoa Falls area from sunrise to sunset.