Although not for the faint of heart, something you will never forget will be the first time you watch the lava flows at night. Click on the image to the right. The tropical climate on the Hilo side of the island produces a plentiful supply of waterfalls. Both big and small, they're a thrill to watch and photograph. Follow the waterfall at the left to see some thrilling, watery sites.
Petroglyphs really belong with the cultural items.
However, I find them sufficiently fascinating to be included in their own category. The various symbols have different and important meanings to the Hawaiians. Click on the petroglyph to take a look.