There's a whole world under the surface and only Ron has any idea about it. And sometimes the two worlds collide, and sometimes they don't. Ron holds them at arm's length from each other. Watch every ...

The team travel to the river Wye to investigate a strange formation that only appears at low tide. Conditions are a terrible combination of sucking mud and extreme tides. The team's goal is to confirm ...

Rachel Feltman: Archaeology can reveal shocking similarities between modern-day humans and our most distant, ancient ancestors. But it just as often allows us awe-inspiring glimpses into feats our ...

CHAMPAIGN, lll. — Steering clear of crocodiles and navigating around massive submerged trees, a team of divers began mapping some of the 25 freshwater pools of Cara Blanca, Belize, which were ...