Lake Baikal, located in the heart of Siberia, holds a secret beneath its waters that rivals the depths of the oceans. At ...

Witness the fascinating geography of Lake Baikal, the deepest and one of the oldest freshwater lakes on Earth, located in Siberia, Russia. This video covers its unique formation, incredible depth ...

Lake Baikal is home to the world's only species of freshwater seal, the nerpa (Pusa sibirica). (Image credit: andreigilbert/Getty Images) ...