Dan Nachtrab

An environmental scientist discovers ancient artifacts submerged beneath the headwaters of the Amazon, saving the landscape from mining devastation.

Leading scientists and filmmakers brave all to relive five of the world’s great shark-feeding events in the Great Shark Chow Down.

Dr. Michael Heithaus sets out to reveal the connection between sharks and volcanoes.

What happens when two of the deadliest predators go head to head?