cures. but in the past decade thousands of american tourists have flocked here seeking help from local medicine men including a new wave of gringo healers like ron. a ten-day retreat at el pugero costs about $1,000 and attracts a wide range of seekers from across the globe. a father and daughter from canada, an online entrepreneur, the son of a successful ceo and a professor from belgium. like stan, these travelers are serious. they want healing for mind, body and soul. >> so what's the strongest part in the ayahuasca? is it toward the bark or the whole thing? >> actually, when you harvest the whole plant, best you take the root. the root is the strongest part. each one of you tear it open and put one in. ♪