Do you know that humans have only explored 5% of the ocean? 95% of the ocean is still unexplored, holding countless mysteries ...

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.

The Hranicka Abyss is at least 1,325 feet deep, and likely goes down further. — -- A team of explorers believe they have discovered the deepest known underwater cavern the world in eastern Czech ...