We offer 17,587 photos on over 2,931 topics as of 9 October 2018, and we have provided 4,306 full versions upon request. See some of our best shots.

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Cave Formations

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