Marianne Blair raises one of the most spectacular species of moth -- the stunning Cecropia, North America's largest moth. Peregrine Falcons are trained to hunt game for their handlers, much like they have since medieval times. The Chesapeake is more than crabs and oysters. Below the surface lays buried ancient secrets to the earth's past - a historical record offering tantalizing clues to some of the world's greatest cataclysmic events.