The footage recorded by the lost phone revealed otherworldly sights of lively marine life in Mexico's underwater cenote.

An curved arrow pointing right. A cenote is a natural sinkhole filled with groundwater. This one, Cenote Ik Kil in Mexico's Yucatan Peninsula, is about 90 feet below ground level — and the water ...

The Sacred Cenote is located in southeast Mexico and is one of several water-filled sinkholes found in the ancient city of Chichen-Itza. Found in the Yucatán Peninsula, this natural cave is a 60 ...

Other locales with known sinkholes include the Dead Sea, since salt also easily breaks down, and Mexico’s Yucatan Peninsula, which is often riddled with sinkholes due to its limestone.

and activists say a unique network of sinkholes called cenotes are also at risk. More from True Cost Mexico is rushing to complete a new train line around the Yucatan Peninsula that will link ...