Why it's incredible: The lake is the only place on Earth that's similar to Jezero crater on Mars. Lake Salda is a body of water in Turkey that bears a strong resemblance to Mars' Jezero crater.

Some places on Earth hold stories older than humanity itself. One such place is Lake Baikal in Siberia. This enormous lake has existed for 25 million years, making it the oldest freshwater lake on ...

Why is Lake Baikal the Oldest? Scientists determine a lake's age by studying sediment accumulation using isotopic dating, a process that measures ratios of radioactive isotopes like cesium ...