What are your favorite subreddits?

I've spent my fair share of time on reddit and have discovered plenty of good subreddits that I subscribe to and browse on a daily basis. Figured I'd share some of them.

r/explainlikeimfive

r/wheredidthesodago

r/perfecttiming

r/mildlyinteresting

r/woahdude

r/wallpapers

r/dbz

r/breakingbad

r/metric

r/nyc

r/bestof

r/shittyaskscience

What are some of yours?