Looking for a cool tunnel with no light? Flagstaff has one that was formed by lava.
If you’ve ever wondered what lies beneath your feet as you hike around our local volcanoes, this is the place for you. This ...
The Chauvet-Pont D'Arc cave is one of the most famous underground caverns in the world, housing one of the oldest and best-preserved collections of prehistoric cave paintings ever discovered. Now, ...
A 2019 astronaut photo shows off ancient lava flows that once oozed down the jet-black slopes of the Toussidé volcano in ...
Ben Jones suspected he had found something special when he squeezed into a volcanic cave and saw pale wooden poles, some with ends shaped like a willow leaf. When he crawled in farther, he found a ...