Mauna Loa, the world's largest active volcano, is the mighty giant of Hawaii that's still bubbling away, waiting to be explored.

A small fountain can be seen in the south side with a small lava flow emerging ... the world’s most active volcanoes: Kilauea and Mauna Loa.The eruption is visible from many public overlooks ...

Andrea Yanga, an 8th grader, painted the winning middle school art, “Lava Flow,” using watercolors and ink. She wrote that it shows “an ancient eruption of Mauna Loa where the lava flowed ...