April Fool's Geography

Google Maps have got in quickly on the April Fools act.

Last year they created the 8-bit gaming maps. This year, they have added a TREASURE MAPS layer.
Click top right to add this to your Google Maps
Here's the venue for next week's GA Conference.
What other April Fools geographies will emerge ?

Thanks to Keir Clarke for the tip-off - also check out the LAT / LONG Treasure hunt...
Try GOOGLE STREET VIEW - sepia telescope ahoy... and get those screen grabs done now...