I don't know if there's a thread about this already but if there is than please lead the way.

I watched Geoff and Gav doing something that are very fun and amazing and I consider this is 1 of 100 things you should do in Skyrim.
Post your idea below and share what you done and what everybody Should not must do in Skyrim.
http://www.youtube.com/watch?v=RWl-IHKsKdE
Cheers

1.Complete the civil war quests

2.Try the guilds

3.Kill Nazzem