Lava Caves

Caves created by rivers of lava underlie New Zealand’s biggest city. A new research project is documenting Auckland's lava caves, hoping to protect this hidden geological heritage and understand what… Audio

Janine Krippner can't remember a time in her life when she hasn't been completely besotted by volcanoes, and with a lead role at the Smithsonian Global Volcanism Program in Washington D.C., she is… Audio