Chad Cohen

Deep-sea explorer Dr. Robert Ballard attempts to solve the mystery of Amelia Earhart's disappearance in an effort to end speculation about what actually happened to her.

A deep dive into the evolutionary history of whales, elephants, crocodiles and birds.

Transforming 144,000 tons of steel into Disney's newest ship.

In July 1860, on a bet, the schooner Clotilda carried 110 kidnapped Africans to slavery in Alabama. The traffickers tried to hide their crime, but now, archaeologists explore the sunken wreck.