Messor capensis nests, as seen by The Google
Over at Photo Synthesis, commentator Kate directs our attention to Messor capensis, a South African seed harvester whose nests from the air look like some form of fungal growth. Except much, much bigger. (coordinates here: 33° 36’57.32”S, 22° 08’06.38”E)
I’ve only got one really crappy photo of the beast, but I’ll subject you to it anyway:
Myrmecos Blog 