Anunderwater robot has uncovered startling new geological features in Siberia’s Lake Baikal, including previously unknown mud volcanoes at depths of up to 540 feet. These volcanoes, found near a ...

Lake Baikal in Siberia is a natural wonder unlike any other. Formed by shifting tectonic plates, it holds 20% of the world’s unfrozen freshwater and is home to species found nowhere else. This video ...