The Mythbusters crew aren't scientists, but they sort of play them on TV -- submitting everything from movie stunts to common household sayings to proven analytic methods.

Of course, it's more fun to determine whether you can cut a tree in half with a machine gun than it is to test the effectiveness of a new polymer, so Mythbusters gets a TV show -- and your average scientists don't.

To celebrate Mythbusters' completion of its seventh series of episodes on Discovery Channel, series stars Jamie Hyneman and Adam Savage hosted a set visit of their testing and production facilities in an industrial park just outside San Francisco's Mission District.

Hyneman led the tour himself through M5 Industries -- a former visual effects house turned production shop for the popular debunking series.