6. Natural Bridge-Caverns at Natural Bridge are the deepest caverns on the East Coast and go 34 stories underground below the earth's surface to see nature's magnificent underground landscape of dripstone, flowstone, draperies, pools, stalactites, and stalagmites.
Location: Between PuÊ»upoa and Makahoa Points, Hanalei. Description: Hanalei Bay, the largest bay on KauaÊ»i, is bordered by a white sand beach approximately two miles long and 125 feet wide. The beach is located between Hanalei River to the east and Waipa River to the west.
Also about midway between Hana Highway mile markers 9 and 10 is the Garden of Eden. These botanical gardens are spread out over 26 acres and feature an assortment of plants from not only Hawaii, but tropical rainforests all over the world. You'll also get to check out the views of Puohokamoa Falls from their lookout.