Thisthree-partseriesjourneysthelength,breadth,andheightoftheAndestorevealtheincrediblenaturalhistoryofthelongestmountainrangeonearth.IntheNorthernAndes,risingmountainsanderuptingvolcanoeshaveproducedastunningvarietyoflife.Boastingpoisonfrogs,leglessamphibians,high-flyingmonkeys,thecontinent"sonlybears,andtheworld"slasttropicalglaciers,theNorthernAndesareunlikeanywhereelseonEarteee
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