▁attra ctions ▁ ▁W ine ▁Room ▁ ▁The ▁fifth ▁level ▁of ▁Mer ame c ▁Ca ver ns ▁includes ▁a ▁" W ine ▁Room ." ▁ ▁The ▁W ine ▁Room ▁is ▁home ▁to ▁the ▁world ' s ▁r ar est ▁cave ▁formation , ▁The ▁W ine ▁Table . ▁ ▁The ▁on y x ▁table ▁stands ▁six ▁feet ▁high ▁and ▁is ▁supported ▁on ▁three ▁natural ▁legs . ▁ ▁Kn own ▁as ▁an ▁a rag on ite ▁formation , ▁this ▁structure ▁was ▁composed ▁almost ▁entirely ▁under water . ▁ ▁The ▁W ine ▁Room ▁and ▁the ▁W ine ▁Table ▁are ▁ad orn ed ▁with ▁gra pe - like ▁clusters ▁called ▁bot ry oid s . ▁ ▁Origin ally ▁called ▁the ▁W ine ▁Room ▁because ▁of ▁these ▁gra pe ▁clusters , ▁the ▁cave ▁now ▁claims ▁that ▁it ▁is ▁called ▁that ▁because ▁of ▁the ▁" wh ining " ▁that ▁visitors ▁do ▁when ▁they ▁learn ▁that ▁the ▁room ▁is ▁accessible ▁only ▁after ▁clim bing ▁numerous ▁st airs ▁( a ▁total ▁of ▁ 5 8 ▁steps ). ▁ ▁" Gre at est ▁Show ▁Under ▁the ▁Earth " ▁ ▁The ▁Ca vern ▁also ▁contains ▁a ▁massive ▁sheet ▁wall ▁of ▁form ations ▁formed ▁during ▁the ▁past ▁several ▁thousand ▁years , ▁which ▁the ▁cave ▁calls ▁its ▁" stage ▁cur tain " ▁and ▁which ▁is ▁also ▁used ▁for ▁displaying ▁the ▁light ▁and ▁sound ▁show ▁called ▁" Gre at est ▁Show ▁Under ▁the ▁Earth ". ▁ ▁" Hol lywood " ▁A ▁room ▁within ▁the ▁ca vern ▁was ▁used ▁for ▁Hollywood ▁produ ctions , ▁most ▁not ably