Amanda Norcross, Content & SEO Strategist The 1.6-mile round-trip hike to the top of Koko Head Crater features more than 1,000 steps made from abandoned railroad ties. At the trail's summit ...

U.S. News Insider Tip: If you're looking for a unique adventure, consider camping inside the crater. There are three wilderness cabins accessible via a minimum 3.7-mile hike from the summit.