Below are a few links to my favorite relevant and irrelevant sites. 

Relevant links
- International Adam Smith Society 
- Adam Smith's Enlightened World
- Hume Society 
- UW Madison Political Theory Workshop
- Stanford Encyclopedia of Philosophy 
- Notre Dame Philosophical Reviews 

Irrelevant Links
- The Onion  (and my favorite Onion article: "Area Man Passionate Defender of What He Imagines Constitution to Be")
- A wonderful blog post on creativity. 
- Grammar comics from The Oatmeal.
- Philosophy Bro's summary of the first two books of Leviathan.
- I think Zombie Marie Curie has it right.