INTO THE WILD.

CYNTHIA MCFADDEN (ABC NEWS) (Off-camera) Chances are that most of what you know about reindeer is that the most famous ones have names like Dasher, Dancer, Prancer and Vixen and of course Rudolph. Though it seems reindeer lose their magic for most of us around 9 or so. But deep in the mountains of northern Mongolia there really is a beautiful, almost fantastical place where a people live among these magnificent creatures. ABC's Clarissa Ward found out things even Santa doesn't know in this installment of "Nightline's" "Into the Wild". [ABSTRACT FROM PUBLISHER]