For stuff about living and travelling to North Korea, I liked the videos on vice.com. This one is their first trip there:
http://www.vice.com/the-vice-guide-t...h-korea-1-of-3
I also found this video pretty nuts. It's about the North Korean lumber camps in remote areas of Russia:
http://www.vice.com/vice-news/north-...r-camps-part-1