Places a new student should know about?

Hey all. I've been taking classes non-matriculated for a couple quarters (so I haven't had those guided/bonding introductions to campus life), but only learned there's a downstairs at the HUB!

So I'm kind of wondering what else I'm missing, as I'm only really familiar with the Odegard/Suzzalo-Allen buildings, a couple academic halls, and Molly's.

So, help a brother out? Please, tell me about the cool/good things that everybody should know, and the stuff that I might not find in the official propaganda.