hierve el agua is the name of a `petrified waterfall` in the province of oaxaca, mexico

amphitheater between boiling calcium carbonate cascada caves chica cliff cliffs consists contains created deposited edge excess few formations formed fresh hierve large meters mexico minerals name natural near oaxaca petrified pools produce province resemble resembling rock rocks rushes series small sources spanish springs stalactites stretch supersaturated swimming valley waterfall waterfalls white