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A relative of the now-domesticated llama, the guanaco -- Patagonia's largest land vertebrate -- roams the plains of Torres del Paine. Guanacos live in groups, usually a single dominant male ...

Tucked away at the southern tip of South America, Patagonia is a land of untamed wilderness and unparalleled natural beauty.

With the season's final chapter tonight, here's a look at our preview for NBC's Tom Hanks-narrated The Americas Episode 10: ...