Among these well-known treasures, though, are hidden gems that few will recognize, such as Kaneana Cave. If you've never been ...

New research shows that Hawaii is sinking into the ocean at an alarming rate, raising calls for more anti-climate change ...

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 ...

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