Photos of Cenotes Caves in Mexico

The Yucatan peninsula has virtually no surface streams due ot its limestone foundation -- a relic of its past life as coral reef on the bottom of the ocean. Ground water sinks through the porous limestone and travels to the sea in underground rivers and caves (formed from millenia of acidified water dissolving conduits in the limestone). To date, almost sixty cave systems with more than 300 miles of passageways have been discovered. These underwater streams can be accessed through cenotes, sinkholes in the surface limestone.

Photos of Cenotes Caves in Mexico