Festooned with trippy Dr. Seuss–like ornaments, the lava tubes of Hawaii seem to belong on another planet. Delicate lavacicles hang from the walls and ceilings like stalactites and take on a ...

A CURIOUS formation is described by Mr. E. Goldsmith in the Proceedings of the Philadelphia Academy of Natural Sciences (part i. 1894, p. 107). It is well known that the highly heated and very ...

The eruptions in Iceland were dormant at the time, though some roads leading to Grindavík were closed because sections had been engulfed by lava in August. More accessible during his 23 h layover ...

For a unique adventure along the Road to Hana, stop for a self-guided tour of the Hana Lava Tube ... underground landscape with stalagmites and stalactites. The cave was supposedly formed about ...