is “the only man-made crystal cave in the world,” this past weekend. I had no idea what to expect, only knowing that it was an offbeat site of religious folk art and tapped into my ongoing ...

Along the way, they met Bob Carr, the creator of Bob's Crystal Cave near Joshua Tree, Calif., where he welcomed visitors for 15 years. Bob died earlier this month at age 80. He is survived by his ...

It's such a glorious place, it's like being in a modern art exhibit. I kept reminding myself ... Yet remarkably, for the people who own and run the Naica mine, the crystal cave is a side-show, a ...