http://www.stumbleupon.com/su/AGSpuy/www.aaronweissart.com/visual-inspiration.html
http://arthound.net/
http://www.lookatthesegems.com/
http://designcloud.tumblr.com/
http://architaste.tumblr.com/
http://www.dezeen.com/2011/07/25/miles-and-miles-of-sticky-tape-by-monika-grzymala/
This isn't creative really, it's just plain cool.
http://www.stumbleupon.com/su/2UVV0M/www.funbazaar.com/emails/funny-emails/31-great-iconic-photos-from-history-dont-miss-these-pics.htm