EDIT: nevermind, I just found this:
Mindblowing
EDIT nr. 2: credits by Sam
All Images by Pedrojafet from Octane forums / Image submitted for the Octane January License competition / All rights Pedrojafet / Octane 0.81a / 567.767 Triangles
4096 Samples per pixel / 744.4MB of Texture Maps / 23, 26, 18 min using GTX275 @ 1.7 GB / 1280*530 original size / resized to 1000*414