Deepest lakes in the world: A new exploration takes us from the Siberian wilderness to the heart of Africa, where we learn about the amazing depths and secrets of the world's deepest bodies of water.

Arizona is not just a dry desert — the state has about 130 lakes and five major rivers, according to the Arizona Office of Tourism. Though only two of the lakes are natural and the rest are human-made ...

Lake Erie is the shallowest of the Great Lakes with an average depth of 62 feet, but it is also the most biologically productive. All of the Great Lakes rank among the 15 largest lakes in the world ...