Lanzarote’s volcanoes have inspired locals to make everything from art to wine. A tour of the island reveals the landscape’s ...

When you imagine cave paintings, you might picture the famous ... These carvings are etched directly into the lava rock.

A new archaeological study on underground passageways in Saudi Arabia has shed new light on ancient human activity.

Centuries of eruptions on the Big Island have created hidden networks of passages beneath volcanoes. In December 2016 a large lava delta formed by Kilauea volcano sank into the sea, exposing the ...

The team found rock art pointing to the use of the lava ... to preserve archaeological sites, so locating the lava tubes and caves on the Arabian Peninsula allows for new understanding of human ...

Approximately 700,000 years ago when molten rock erupted from a vent in nearby Hart Prairie, the mile-long Lava River Cave was formed. Today, visitors can explore the cave's cool, dark expanse by ...

The volcano constantly sputters hot gas and lava, sculpting surreal caves and towers that the photographer had read about and was eager to see. And though he'd heard that reaching the 12,500-foot ...