The lava tube is just the icing on the cake. You may have seen plenty of photos all over the internet of this cave, known for the light beam that cuts its way dramatically through the darkness.

For a unique adventure along the Road to Hana, stop for a self-guided tour of the Hana Lava Tube, which can be found near mile marker 31. It takes no more than 40 minutes to explore about 1/3-mile ...