In a remote corner of the Mojave National Preserve rise the red and grey spires of the Providence Mountains, where adventurous tourists have come since 1934 to explore the remarkable caverns inside. The caverns feature the normal stalagmite and stalactites, as well as rare formations like lily pads, draperies, cave coral, helicites, cave curtains, and shields. Visitors descend into the caverns after a short guided hike, creating a juxtaposition of expansive desert views in the Mojave sun and ...