Submit your ideas/renderings to Prophecy Magazine
Prophecy magazine is looking for submissions to include in a section of their mag titled "The Lab". The Lab usually features anywhere from 3-5 projects of theoretical architectural ideas and renderings. If you're itching to get your undiscovered brillance out to the world, look them up. Prophecy Magazine is an internationally distributed bi-annual magazine of architecture, art, fashion, music + culture.
Link: Submission Specs
Link: Prophecy Magazine [Thanks, CW!]