As parts of the lava tube erode and crack over time, invading tree roots siphon moisture that collects, and forests thrive on the surface above. By contrast, lava caves, widely known as lava tubes ...

The two are linked as some of the best caves are, in fact, a lava tube, which is a natural tunnel formed by flowing lava moving underneath the hardened surface of a lava flow. Tubes act as a ...

It includes Geomunoreum, regarded as the finest lava tube system of caves anywhere, with its multicoloured carbonate roofs and floors, and dark-coloured lava walls; the fortress-like Seongsan ...

Lava River Cave is chilly and slippery even in the summer. Recent visitors were awe-struck by the experience of hiking a tube cave. Although some experienced difficulty accessing the roads – in ...

Choosing a good guided tour is key to having a memorable experience in volcanic cave exploration. Pay attention to aspects ...

forming a tube in which the rest of the lava continues to flow. Once it’s all drained, a cave of sorts is left behind, often big enough for people to walk through, according to the National Park ...

The cave was supposedly formed about 960 years ago from hot lava that cooled to form a top layer, and then once the lava stopped flowing, it created a tube. Don't worry, there are no bats or ...

The Canary Islands not only boast the third largest volcano in the world, but also the largest natural underwater lava ... submerged cave sections. The three notable parts of the tube are Cueva ...

Just north of the Deschutes County Fairgrounds, the Redmond Caves, a series of five caves administered by the Bureau of Land ...

Assistant Professor Rebecca Chong explores lava tube caves on Hawaiʻi Island. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!