Kanohina may soon be the longest surveyed lava tube system in the world. The cave that the Kanohina system seems poised to supplant in the record books is on the other side of the Big Island.

Passing by a series of subterranean geological features named cave chocolate, cave bacon and cave popcorn, I start to wonder ...

The other lava caves in Iceland with evidence of human occupation ... hundreds of years after the island-wide conversion to Christianity. Four lead weights found in the center of the enclosure ...

HONOLULU -- A fountain of lava was spewing from a Hawaii volcano Tuesday in the latest episode of an eruption that has paused ...

are a highlight for many people who visit the island. Although only 1 kilometer of the cave system is open to tourists, the Geomunoreum Lava Tube System actually stretches for many kilometers. Along ...

Jeju Volcanic Island and Lava Tubes together comprise three sites that make up 18,846 ha. It includes Geomunoreum, regarded as the finest lava tube system of caves anywhere, with its multicoloured ...