Visit Hilo (Volcanoes National Park, Big Island Candies Factory, Jaggar Museum & Hawaiian Volcano Observatory, Macadamia Nut Farm, Punalu'u Beach, Rainbow Falls).
In-depth tour of Hilo to visit Volcanoes National Park and Rainbow Falls
Visit the observatory that monitors 4 active Hawaiian volcanoes
Visit Candies Factory which is home to the Chocolate Dipped Macadamia Nut Shortbread Cookie