Early herdsmen were using a volcanic lava tube to shelter from fierce desert sun at least 7,000 years ago, new research ...

The Lava River Cave is open seasonally from May to September 9 a.m. to 4 p.m. For the first half of May, you can visit from ...

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 ...