Rio Frio Cave

"In Douglas D'Silva (Augustine), on the way to or from Caracol, look for the signed turnoff to Río Frio Cave...the river gurgles through the sizable cave, keeping it cool while you go off and explore." Full review

"A river runs right through the center of the main cave—actually it's more of a tunnel, open at both ends—and, over the centuries, has carved the rock into fantastic shapes." Full review