See the sanctuary of "La Gorda", the female axolotl of the most beautiful banknote in the world | Videos | CNN

Axolotitlán is a sanctuary and museum whose mission is to preserve the Mexican axolotl, an amphibian endemic to Mexico that is in danger of extinction.

It is also the home of "La Gorda", the most famous female axolotl in the country and the image of one of the most beautiful bills in the world, according to the International Bank Note Society.