This map shows all the piracy and armed robbery incidents reported to the IMB Piracy Reporting Centre during 2014. I learned about it after reading a story (how to negotiate like a pirate) in Nautilus, which a very new and very excellent web (and print) magazine.

Live piracy map:
http://www.icc-ccs.org/piracy-reporting-centre/live-piracy-map

Support the war effort:
http://epic.net/mmxiv/