THE GALAPAGOS: Darwin Island's Fiercest Apex Predators

Beneath Darwin's famous shores, the Galapagos Islands harbor an evolutionary marine laboratory teeming with bizarre creatures, from diving marine iguanas to massive schools of hammerhead sharks and gentle 50-foot whale sharks. This exclusive look into one of the world's most pristine and isolated ecosystems reveals both the ocean's greatest natural spectacles and the desperate, ongoing fight against the illegal fishing that threatens to destroy it all.

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