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. Scientists are using ...

From the deep ocean floor to vast underground caverns beneath our feet, these places challenge our understanding of the world ...

Though it requires a long hike to reach, this lake offers dramatic views of Mount Rainier National Park and is a peaceful way ...

The Vanishing Lake in Northern Ireland's County Antrim can be full in the morning and empty a few hours later, thanks to an underground drainage system that scientists still don't fully grasp.