Join David Schwimmer in a rainforest on the doorstep of Rio, but it's not the Amazon. Fifty times smaller, but just as rich, Mata Atlantica is one of Earth's great biodiversity hotspots. Discover how it came to exist, and how it was forgotten.

Join David Schwimmer, pretend naturalist, in the Ethiopian Highlands, home to animals found nowhere else on Earth. In this high-altitude realm, geological forces create and destroy, and survival depends on sticking together and dominating your rivals.

Join David Schwimmer as he journeys through the Andes, a mountain range with two different worlds: a fortress of fire, ruled by a phoenix, and a land of ice, conquered by a master of stealth. But how did they come to rule such hostile lands?

David Schwimmer discovers why 400 whale sharks gather off the coast of Mexico, kind of like Woodstock but for sharks. From a meteorite hurtling through space, to a world of monsters and alien life forms, uncover the mysteries of these Caribbean giants.

David Schwimmer meets some of the strangest creatures on Earth: Dragons and zombie chicks, punk monkeys and hobbits -- the pig with tusks that pierce its forehead and a bird that rode on an island boat. These things really exist, but why only here?