minaret stalagmite in jenolan caves

abstract attraction attractions australia australian bright brightness calcite cave cavern chamber column crystal destination discovery display dripstone enchanting exploration extraordinary fairytale finest form formation formations formed fossil geological geology glitter grand growth hall hidden history huge icelike illuminated impressive inside jenolan lighted limestone magic majestic million minaret minerals monument mystic natural nature object old outstanding protected radiant scenery silurian speleological stalactites stalagmite standing striking subterranean tapering tourist touristic treasure underground underworld unique value white vertical background layering layers