One of the best, and largest petroglyph fields on the Big Island is the Panau-nui Pu'u Loa petroglyph field in the Hawai'i Volcanoes National Park. This particular field consists of over 15,000 individual petroglyph images that have been scratched and pecked into the hard pahoehoe surface.

David Douglas (25 June 1799 – 12 July 1834) was a Scottish botanist. He worked as a gardener, and explored the Scottish Highlands, North America, and Hawaii, where he died. A monument was built at the spot where Douglas died by members of the Hilo Burns Society including David McHattie Forbes. It is called Ka lua kauka ("Doctor's Pit" in the Hawaiian language), off Mānā Road on the Island of Hawai'i