Various Speleothems in the Caverns of Sonora
Detailed Description
A series of speleothems, or cave formations, in the Caverns of Sonora. Dripstone formations like stalactites (hanging from the ceiling) and stalagmites (growing from the floor) can be seen. In addition, bulbous speleothems known as "cave popcorn" grow on the walls.
Sources/Usage
Public Domain.