Download and use the 2013 Null Island SVG file.

"Null Island is an ephemeral geography, a foggy ship of state sailing thru autumn mists, surrounded by sirens and map cherubs. Null geocodes, welcome home." - @NullIsland

Check in on Foursquare: http://4sq.com/null-island

/Thanks @gnip @michalmigurski @kelsoscorner