You are supposed to renew your passport 9 months before it expires, so go check your passport expiration date now before it's too late! Then follow these instructions to get your passport renewed.
ItsEasy.com has launched the first passport renewal app. We love living in the future.
How to renew US Passport in 3 simple steps: Infographic
Apply for a U.S. Passport, Renew by Mail, Report a Lost or Stolen Passport, Correct or Change U.S. Passport Information
We guide you through the passport renewal process.
Tunnel Beach, Dunedin, The South Island, New Zealand (by @megannjw)
Download printable PDF DS-11 Application form for New U.S. Passport Online with complete instructions how to correctly fill out the DS-11 Fillable Form.
Download Form DS-82: Application For Passport Renewal By Mail. Instructions and tips for completing the passport application to renew an American passport.
Country Information--official passport/US site, has info on travel alerts and information for each country regarding entering the country, etc
Australian passport renewal information