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

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