Back home, Peter marked the puka ... who have come to explore and map the Kipuka Kanohina, a network of lava caves that course like veins 15 to 80 feet beneath the town. There are two ways ...

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 ...

Choosing a good guided tour is key to having a memorable experience in volcanic cave exploration. Pay attention to aspects ...

Oregon is home to some of the best examples of deep caves and ancient lava beds formed ages ago from the many volcanoes in Oregon’s geological history. So significant that one of them was used ...