An curved arrow pointing right. Lake Baikal in Siberia is the oldest and deepest freshwater lake in the world. It is frozen for up to five months a year and its ice is so thick cars often drive ...

Measuring nearly 2,000 feet deep, Crater Lake is the deepest body of fresh water in the U.S. and the ninth-deepest lake in the world.

Lake Baikal, the world's deepest, offers astounding views along its shoreline - and winter tours of its frozen expanse have become increasingly popular. With some trepidation, Oleg Boldyrev walked ...