In the southern part of Mexico City lies Xochimilco, a maze of canals filled with boats, music, food and tourists. But Xochimilco is more than that. It’s one of the last remnants of the interconnected lakes that once surrounded Tenochtitlan, the ancient c...

Native to the lakes of Mexico City, the axolotl stays in the water its whole life, swimming with a tail fin and breathing through frilly external gills. It’s nearly extinct in the wild, but survives in research labs the world over, studied for its amazing...

Native to the United States and Canada, spotted salamanders spend almost their entire lives hidden under rocks or logs. Watch as they grow from tiny eggs into 7-inch beasts!