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Ml Web Cavesside Headerjacobscave

With more than 6,400 recorded caves, including twenty show caves that are open to the public for guided tours, travelers and spelunkers around the world know Missouri as The Cave State.

Marvel Cave

Marble Cave gets national exposure on the cover of Scientific American magazine. Now called Marvel Cave, Missouri’s deepest known cave has a grand cavern so large that promoters inflated hot air balloons inside to showcase the size of the natural wonder.