You know, I may ditch this whole steampunk idea and embrace hobo-tech instead. Heh.
Some artists doing beautiful work which may inspire steampunk types include Nemo Gould and Douglas Walker. In the world of fashion, Skingraft Designs continues to come out with jaw-droppingly gorgeous stuff.
The Steampunk Workshop has made some lovely lightswitch plates, and even showed you how they did it.
And finally, the Georgia Guidestones are not really steampunk at all, but they're mysterious and ancient-looking (although modern) and faintly post-apocalyptic. I think a road trip is necessary for further examination and investigation!