Diamond Head, Oahu, Hawaii is the name of a volcanic tuff cone on the Hawaiian island of O'ahu. Its English name was given by British sailors in the century, who mistook calcite crystals on the adjacent beach for diamonds. Hawaii is the state.
Lanikai Beach, Hawaii "Half a mile of sparkling sand, palm trees swaying over a white beach, lush tropical plants, and endless sunshine make Lanikai one of Hawaii’s most scenic beaches. The water is always deep green and postcard-perfect.