Last month when I was in Hawaii, I went to Diamond Head Crater. Diamond Head is visible from much of Waikiki Beach and is an iconic site. It’s a state park and there is a trail that you can walk/hike up one of the sides of the crater. In case you don’t know, Diamond Head is a crater formed from a volcanic eruption 300,000 years ago. The trail is mostly paved because there are so many visitors. When I say paved, I mean packed dirt to form a trail. The trail was only 0.7 miles so it was by no means a long hike, but parts of it were steep because…