Lake Baikal in Siberia stands as one of Earth’s most astonishing natural wonders. Its staggering depth—reaching over 5,300 feet (1,600 meters)—holds more water than all of North America’s ...

Crater 'significantly challenged previous assumptions about our planet's ancient history' A giant crater 2km across and 170m deep, formed by a meteorite, is the location of India's Lonar Lake.