Missouri is freckled with geologic features like caves and sinkholes. This is because the bedrock — composed of soluble rock like limestone and dolomite — is conducive to karst formation. Missouri has ...

Missouri’s caves can be majestic, with towering crystalline ceilings and herds of stalagmites, stalactites, soda straws and flowstone. But also, because caves are naturally dark and drippy, they can ...