I know I'm being redundant by saying Fun Math...

• The Spidron:A polyhedron designed by a Hungarian Industrial Designer
• Liquid Crystals and Topology
• Some Applied Topology from Robert Ghrist
• Click on "composite movie" for a beautiful movie of knots tightening complete with original musical score
• Some answers to the question What is Topology?
• Knots and Dynamical Systems: go to the website of the mathematician whose work it references, Etienne Ghys
• The web page of my advisor, Daryl Cooper
• Phd Comics - Funny! graph of grad student productivity

COOL MATH BLOGS -- yes! There is such a thing

• A compendium of math blogs written by professors, teachers, and professionals Carnival of Mathematics From here you can find all sorts of interesting mathy blogs
• Mark Bridger, professor at Northeastern Universtiy, writes a math blog devoted the matheamtics used on the show Numb3rs
• Julie Rehmeyer, from Science News, writes the blog Math Trek
• Brian Hayes, writer for American Scientist, hosts the blog Bit-player
• AMS monthly Feature Column and the place where I write Math Digest
• Ivars Peterson, veteran math writer, writes Mathematical Tourist