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Boneyard - Notice how the limestone here is riddled with holes like Swiss Cheese! Explorers named this place “the Boneyard” because the rounded shapes of the rocks reminded them of old bones.

Speleothems, commonly referred to as cave formations, are formed by the deposition of minerals from water.

Stalactites, stalagmites, and other cave deposits made chiefly of calcite are called “decorations” or speleothems.”

The Big Room - with floor space at an estimated 600,00 square feet, this is the largest known natural limestone chamber in the Western Hemisphere.

Hall of Giants - Twin domes to the left, and the Giant Dome Column is the large structure to the right.

Historic Explorations -This wire ladder was installed in 1924. It descends 90 feet into Lower Cave. I noticed it’s broken. I hope no one uses it anymore!

Bottomless Pit - This gaping hole appeared bottomless to early explorers who had no strong lights. It’s actually 140 feet deep. Mmmm, how many mimosas could fill it up!?