How does one begin to locate, without a shovel or directions, the ancient, buried tomb of the man who ruled one of the largest empires ever known? The location of Genghis Khan's tomb is an archaeological puzzle that has stumped researchers, historians, and archaeologists for the last millennium. According to legend, anyone who witnessed the funeral procession was killed on the spot and 10,000 horses trampled the ground where he was buried to ensure it was never found. Now, National Geographic emerging explorer Albert Lin sets off on the expedition of a lifetime to find this secret burial site. Don't miss the Forbidden Tomb of Genghis Khan as National Geographic Channel follows Lin on his quest to solve this 800-year old mystery.