Wonder lust: The Great Stalacpipe Organ - environment - 11 April 2010 - New Scientist: "CAVES are disorientating at the best of times, especially ones as baroque as Luray caverns, deep beneath Virginia's Shenandoah valley. But as you descend underground, past Titania's Veil (a gleaming white calcite formation), crossing Giant's Hall and skirting the mirror surface of Dream Lake, you will hear an ethereal music start to fill the dripping hush. Soon it feels as if you are standing inside a marimba made of stone, in a setting designed by Salvador Dalí. The songs seem to come from all around, as if the cavern itself were singing."