U.S. News Insider Tip: Arrive to the trailhead by 5 a.m. to beat the heat and allow time for breaks so you can reach the summit by sunrise ... Nature Preserve and Diamond Head State Monument.

HONOLULU (HawaiiNewsNow) - The base of Diamond Head State Monument looks a bit like Disneyland these days with crowds and long lines of tourists eager for an adventure around one of Hawaii’s ...