A FEW THINGS TO KEEP IN MIND? The loop that wends its way around the cave measures about a half a mile, and you'll walk about that far to the cave's entrance, meaning you'll also need to strut that ...

There's no shortage of caves and caverns available to visit in the state of Pennsylvania. Each location delivers on wow-factors and the chance to learn, spend time together, enjoy the great outdoors ...

The annual gem show is back in full swing, but this year there is a new and permanent installation just down from Fourth Avenue. The Crystal Cave is a new gem and mineral shop here in Tucson that is ...

It’s like entering another world that was built over tens of thousands of years. Caves offer an experience unlike any other, a chance to learn about the earth’s history and see the effect of the ...

Hidden beneath the Earth’s surface are caves filled with enormous crystal formations that look almost unreal. These ...