WikiHow

This site is pretty large, containing loads of (36,000+) howtos. Some of the names are just classic:

How To Appreciate Death Metal
How To Appreciate Emo Music
How To Appreciate The Band "Muh" - I actually thought I was on UnHow for a second!
How To Be A Good Evanescence Fan
How To Listen To A CD Backwards - I'm so going to need to do this...
How To Be A Good U2 Fan - "1. Listen to some music by U2. It'll help you understand why to be a fan." Hmmm...
How To Go Skacore
How To Be A Real Christian Emo
How To Be A Christian Metalhead