Lake Baikal is the oldest and deepest lake in the world, located in Siberia and containing 20% of the world's unfrozen freshwater. The document shares photos and details experiences at Lake Baikal, including views from a hotel on the shore, the Baikal Limnological Museum which explores the lake's history and wildlife, an open air market, a foggy cruise on the lake, and a wedding tradition on the lakeshore.