Myth and history intertwine in searching for the whereabouts of a sword that is 1.8 million years old. Since 660 BCE, the Kusanagi-no-Tsurugi has been passed down from emperor to emperor. Nobody can identify what the sword looks like, but the Japanese government claims it resides in the Atsuta Shrine in Nagoya. Parcast - If you enjoyed this episode, check out our new show MYTHOLOGY! Subscribe today for more tales of mythical heroes, gods, and creatures!