Seljordsormen — Norway's lake serpent has medieval roots and a sonar hit in 2000

Seljordsvatnet in Telemark, Norway. Serpent sightings here go back to at least 1750 in written records but local oral tradition is older. The creature is called Seljordsormen — the Seljord serpent — and it's a big deal in the local community, not in a kitschy tourist way, in a this-is-part-of-our-hi……