Mauna Loa Observatory Road
Brutal climb up the world's most massive volcano
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Brutal climb up the world's most massive volcano
Paved road to Hawaii's house of the sun
Lanai's highest point with five-island views
Lava rock gauntlet to olivine sand paradise
25% grade into Valley of the Kings
Abandoned highway through Ko'olau razor ridges
Redwood forest loop at 6,000 feet
Deep jungle penetration into pristine valley
Summit drive to Pacific's highest peak
Wetlands and waterfowl in pothole country
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