This vast body of water, found in Siberia, holds a huge number of world records, including being the deepest lake in the world and covering an area larger than several countries. Russia’s Lake Baikal covers an area of 12, 248 square miles-slightly larger than Belgium-making it the seventh-largest lake by surface area and the second-largest in Eurasia after the Caspian Sea.It is also the oldest lake on Earth, at an incredible 25 to 30 million years old and the world’s largest freshwater lake by v