The Trainrider is some d00d from Germany who train rides (go figure). This 24 min. video is quite a thrill to watch, and really gives you an urge to ride trains. The extreme trainriding on the bullet train at 330km/h starts at around 12:30 min.
Teh 1337 Trainriderz0rz [hosted on Stage6, you may need to install the DivX Web Player]