During my 2006 Hawaii trip, I spent a day exploring the Big Island's Hawaii Volcanoes National Park. The park features craters, lava fields, lava tubes, active lava flows, rugged coastlines and ancient petroglyphs.

Mark Wasson, http://www.markwasson.com > Trips has detailed summaries of my trips

http://www.markwasson.com/u2006h06ahawaii.htm