David Schwimmer meets some of the strangest creatures on Earth, like dragons, gremlins, zombie chicks, punk monkeys, and hobbits; these really do exist and exist only here.

David Schwimmer discovers why 400 whale sharks gather off the coast of Mexico; from a meteorite hurtling through space, to a world of monsters and alien lifeforms, uncover the mysteries of these Caribbean giants.

David Schwimmer 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.

David Schwimmer explores the Ethiopian Highlands; in this high-altitude realm, geological forces create and destroy, and survival depends on sticking together and dominating rivals.

David Schwimmer visits a rainforest on the doorstep of Rio; fifty times smaller than the Amazon but just as rich, Mata Atlantica is one of Earth's great biodiversity hotspots.