Pu'u Loa Petroglyphs. Hawai'i Volcanoes National Park. Big Island. THE BIG ISLAND ISLAND. • Hawai'i Volcanoes National Park. It covers 10,000 hectares of volcanic among which highlights the Kilauea volcano, considered the busiest in the world as well has not stopped washing since 1983. The area is ideal for hiking all complicated and unique anywhere else in the world. • Kealakekua Bay and Hokena. In Kealakekua can make the best snorkeling, diving and kayaking around the island, and is the place where Captain Cook died. Ho'okena is a town completely devastated by the lava of which only is a beautiful volcanic sand beach.