Over the last decade, Tulum has blossomed into a major tourist destination along the Yucatán Peninsula. One of the main attractions are the thousands of cenotes that blanket Tulum, where people swim, ...

John Donovan is a writer based in Atlanta. He writes on a range of topics including nature, health, history, and pop culture. In the Mexican state of Quintana Roo, on the southeastern shore of the ...

Formed over thousands of years, the cenote was once a structure of limestone that collapsed under pressure.

If the marine world is the least explored region of our planet, then underwater caves represent Earth’s final frontier—which begins to explain why I’m standing in the middle of a Mexican jungle gazing ...

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