You have to climb high up into the Andes Mountains for today's Geo Quiz. We're searching for a mountain lake on the border between Bolivia and Peru.
It's at an altitude of over 12,000 feet. That makes it the highest navigable lake in the world. It's also deep.
To reach the bottom of this Bolivian and Peruvian lake you'd have to dive down some 350 feet. A few years ago, archaeologists found the ruins of an ancient temple at the bottom of the lake. The Incas believed this body of water was the birthplace of their civilization.
Now a Paraguayan-born artist is trying to draw on these legends and myths with an unusual art project. For now, we'll just tell you that it involves inflating large balloons.
We'll explain -- when we come back the name of this Andean lake ... here ...
