Cave popcorn. Gypsum flower cave formation. Gypsum curl cave formation. Gypsum curl cave formation. Aragonite stalactites in a cave. Soda straws cave formations. A starfish fossil in a cave. White stalactites. Cavers inspecting stalactites. Large, milky white soda straws in a cave. Cavers with stalactites. A cave onyx formation in a cave. Corkscrew stalactites. Delicate soda straw cave formations. Various small soda straw cave formations. Spathite cup. Soda straws growing on chert. Small Speleothem. Gypsum flower cave formation.