"Graham Harrison" wrote

I often think that one of the problems is that we all call the
Underground map a map. It's a diagram and if people understood that
some (but not all) would find out about the alternatives.

It *is* a map, just as the World map on the Mercator projection that we all
know that shows Greenland bigger than Australia. is nonetheless a *map*.

Some more
http://www.theguardian.com/commentis...le-in-pictures

https://www.buzzfeed.com/tomchivers/...a5B#.foj701Egr

Google [weird maps] for lots more

--
Mike D