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.
The beach in the Hanauma Bay Nature Reserve, sandwiched between two dormant volcanoes on the southeast tip of Oahu, has become one of the most popular snorkeling beaches in Hawaii. The volcanic crater cove hugged by the beach is teeming with reefs and colorful reef fish -- Mother Nature's very own aquarium.