Monks have been seeking spiritual enlightenment at these sites on steep cliffs, inside caves and atop an extinct volcano for ...

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 ...

T hrough the intricate study of lava tubes—caves formed following volcanic eruptions when lava cools down—an international team of researchers has uncovered clues about Earth's ancient ...

São Vicente, in the vast area of Laurissilva, is known as the land of valleys and vineyards, with lush vegetation, volcanic caves, and beautiful picturesque villages. It’s located in one of the ...