http://www.flickr.com/photos/40195501@N06/ Artistic little scenes of Star Wars legos.

http://nerdsruineverything.tumblr.com/ Nerd rage.

http://nuclear.ucdavis.edu/~tgutierr/files/stmL1.html The Standard Model of physics written as a single Lagrangian.

http://watertowersofireland.com/ The varied water towers of Ireland.

http://bldgblog.blogspot.com/2010/04/agamemnons-fortress-of-sand.html I read "The Lost Books of the Odyssey" mentioned in this article and it is very good. Here's the NYT's review.

http://www.catsthatlooklikehitler.com/cgi-bin/seigmiaow.pl Cats that look like Hitler.

http://www.popsci.com/bacon Bacon can be used to cut steel.

http://i.imgur.com/DldfM.jpg Heart disease is the #1 killer of women in America.

http://people.umass.edu/klement/tlp/ Wittgenstein's Tractatus Logico-Philosophicus has been typeset in LaTeX.

http://information2share.wordpress.com/2010/10/23/shocking-sexism-vintage-ads/ Old sexist ads.