Iron Giants is a series of Iron Man art made by artist Clog Two, with Tony Stark posing in various cool Iron Man suits. Some are redesigns of already existing ones, like the War Machine, some are completely new.
Here's a few in their full glory. You can find a lot more over here.
Iron Giants [by ClogTwo, via GeekTyrant]
To contact the author of this post, write to: gergovas@kotaku.com