>>> i'm don lemming "bore deign now" strombo at 10:00. don lemon, out. >>> peru is a country that's historically driven men mad, mad for gold, for cocoa, for its magical ancient history. now, there's something else drawing outsiders to its hidden mountain valleys. we love the stuff. we obsess about it, gorge on it and fetish-ize it. i'm talking about chocolate, once a common treat, it's now becoming as nuanced as fine wine making the pursuit of the raw good stuff all the more difficult. i'm joining that hunt in remotist peru, but not before i've re-immersed myself in the booming lima food scene. ♪ i took a walk ♪ through this beautiful world ♪ felt the cool rain on my shoulder ♪ ♪ found something good ♪ in this beautiful world ♪ i felt the rain getting colder ♪ ♪ ♪ ♪ ♪ ♪ >> i'm in peru with this guy, eric rupert. >> he was looking at this, he went into the tree. >> that's funny. >> chef of the world famous restaurant le better ardier in new york, to look at where chocolate comes from, particularly our chocolate, the very expensive limited