Cenote swimming is one of the great bucket list experiences in Mexico. With more than 7,000, there's plenty of choice, but these are the best of the best.

Recently published in Frontiers in Marine Science, a study unveils the staggering dimensions of the Taam Ja' Blue Hole, nestled within Mexico's Chetumal ... real-time water data to the surface.

Taam Ja' Blue Hole can be found in Mexico's Chetumal Bay. It's an underwater sinkhole, known as a "blue hole" – and is believed to be the deepest of its kind. The giant hole is 498 feet wide and ...