The story of the world’s largest lake is both fascinating and alarming. This natural wonder, known as the Caspian Sea, is ...

The world's largest lake is so vast that it's four times larger than its closest competitor and is often dubbed as a fully-fledged sea.

With over 8,000 cubic meters of water, it contains more 3.5 Olympic swimming pools of water volume, all geothermally heated.

It holds the title of the largest freshwater island in the world, but that is only the beginning of its remarkable features. With over 100 lakes—some of which cradle islands of their own—this ...