Cool Map Puzzle (and Educational)

I ran across this on Google+ and think it is a good demonstration of difficulty we have depicting the world which is three dimensional in a two dimension format.

This is a fun exercise to do with you kids and an opportunity to explain a question all of us have - "Why is Greenland SO BIG?"

How long does it take you to solve this puzzle?

One piece in particular took me awhile. 

Click on this link to get to the puzzle - Mercator Puzzle