If you have never applied for a passport before:

                     http://travel.state.gov/passport/get/first/first_830.html 

          Applying for a minor (under 16):

                    http://travel.state.gov/passport/get/minors/minors_834.html

          Renewing a passport:

                    http://travel.state.gov/passport/renew/renew_833.html

          Passport fees:

                     http://travel.state.gov/passport/fees/fees_5079.html