http://www.chris-riley.com/Web_site_Pictures/Discovery_Channel.jpg
It covers anything from animals, science, millitary, dinosaurs, space and technology. I have recommended a show called Mythbusters in the past, and I still can't get enough of it.
Lots of short videos, great pictures, wide range of knowledge, games and puzzles.
I come here every now and then to find something new to watch.
I have an amazing video for you guys as a start.
http://dsc.discovery.com/videos/life-flying-fish-fly.html
Brilliant way to learn listening, isn't it?
Resources:
http://dsc.discovery.com/
http://lockyep.blogspot.com/2009/03/tv-mythbusters.html
http://dsc.discovery.com/videos/life-flying-fish-fly.html