Hawaii is home to some of the most incredible lava tubes that are open to exploration. These include Thurston Lava Tube in ...

The Canary Islands not only boast the third largest volcano in the world, but also the largest natural underwater lava tunnel. Mount Teide, the third largest volcano, resides in Tenerife ...

Author Joshua Foer explores Kazumura, the world’s longest mapped lava tube, which stretches more than 40 miles and in places is the size of a subway tunnel. Its grooved walls took shape in the ...

Glowing red lava is once again bubbling up from the ground in Iceland as a fresh volcanic eruption on the Reykjanes Peninsula, south-west of Reykjavík, began on Tuesday morning near the fishing ...

“There may be lava tunnels which you could fall into, and the rock is sharp. There were acres and acres of banana plantations and pretty houses, but this huge area is now a completely unusable ...

The surface of the lava flow cools and forms a crust on top, while the hot lava keeps flowing underneath, forming a tunnel. Because the temperature inside lava tubes changes little and the risk of ...