There are some 500 across Iceland, and around 200 hold evidence of human occupation. One of these caves is Surtshellir, part of a lava tube complex that is Iceland’s longest, at more than two miles.

A group of 25 tourists were visiting the ice caves of the Breidamerkurjökull ... Sundhnukar volcano in Iceland erupting ...

Lava flows have slowed in south-west Iceland following a volcanic eruption that has destroyed several homes. A volcano on the Reykjanes peninsula erupted on Sunday, spilling molten rock into the ...

Volcanic eruptions had slowed significantly, but the eruption has not yet ended, according to an update issued Sunday by ...

That eruption created Iceland's biggest basalt lava flow in more than 230 years but caused no injuries or damage. Iceland has seen seven volcanic eruptions in a year near the southwestern fishing ...

The lava fields are also known for their hidden caves, with the longest cave in Iceland close to the falls, Víðgelmir. Spanning an incredible 5,200 feet in length, this cave is 52 feet high and ...

A volcano erupted near Iceland's capital Reykjavik on Friday, shooting lava high into the night sky after thousands of small earthquakes in recent weeks. The eruption occurred near Fagradalsfjall ...