Formed over 20,000 years ago from the eruption of the Corona Volcano in northern Lanzarote, this impressive tube stretches approximately 4.7 miles, with nearly a mile submerged underwater.

Sandwiched between the freezing cold of Earth’s coldest continent and the warmth of its southernmost active volcano, the caves beneath Antarctica’s Mount Erebus are an anomaly in more ways than one.

Cueva de los Verdes and Jameos del Agua located inside the volcanic tunnel, are natural caves that are open to visitors and natural caves that were formed following the eruption of the Corona Volcano.

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 ...

The cave that the Kanohina system seems poised to supplant in the record books is on the other side of the Big Island. It was likely created during a 15th-century eruption of a different volcano ...