In a nutshell The Arabian Peninsula experienced multiple wet periods over the past 8 million years, transforming from desert ...

The cave system reopens on May 23. Visit the Sequoia Parks Conservancy website to get tickets for the tour. You can visit ...

The rock formations in caves are chemistry fossils — that glow. These rocks are made of calcite, a form of calcium carbonate. Impurities trapped in calcite cause the mineral to fluoresce different ...

The calcites grew underground, fed by the manganese-rich water. Sebree believes that when these rocks shattered, since calcite is weaker than the limestone also comprising the cave, the calcite worked ...

Sebree believes that when the rocks shattered since calcite is weaker than the limestone also comprising the cave, the calcite worked to expand the cave too. He said: “It’s a very different ...

You’ll want to reserve tickets now to explore Crystal Cave, which will once again welcome visitors from May 23 to September 7.