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.
Kahoolawe. Kahoolawe is the smallest of Hawaii's main islands with an area of 44 square miles (115 sq km). It is uninhabited and is located 7 miles (11.2 km) southwest of Maui and Lanai and its highest point is Pu'u Moaulanui at 1,483 feet (452 m). Like Niihau, Kahoolawe is arid.