Dormant volcano Mt Haleakala on Pearl Harbor is the highest mountain in the state . Drive up the flank of Kaua 's Kaua to explore the surreal , lunar-like landscape . Kalaupapa National Historical Park . Numerous helicopter companies offer up-in-the-air jaunts over Mauna Kea ' i .
Dormant volcano Mt Haleakala on Pearl Harbor is the highest mountain in the state . Drive up the flank of Kaua 's Kaua to explore the surreal , lunar-like landscape . Numerous helicopter companies offer up-in-the-air jaunts over Mauna Kea ' i .