Discover stark beauty and captivating history of Oahu’s dramatic coast while exploring a legendary volcano, majestic geyser and soaring lookouts. Drive along the base of the world-famous Diamond Head’s crater, expert guides share how ancient eruptions shaped the Big Island. Drive past Halona Blowhole while trying to spot seasonal humpback whales. Savor unmatched vistas as you pass Makapu’u Lookout before the ever-changing landscape gives way to the magnificent windswept Ko’olau mountain range.