We all understand, on some level, that as adults we must go back and correct the oversimplifications we learned as schoolchildren.
You can now drag and drop whole countries to compare their size - Big Think
Maps Mania: Comparing Countries by Size
Prices Drop As You Shop True Scale Map of the World Shows How Big Countries Really Are, accurate scale
The best free cultural & educational media on the web - Page 72 of 1882 Open Culture
The True Size Maps Shows You the Real Size of Every Country (and Will Change Your Mental Picture of the World)
The True Size Shows You How Big Countries and States Really Are – Beba's classroom
You Can Find Out the True Size of Any Country With This New App - Interesting Engineering
The True Size of Countries: The World Map Looks Different Than You Think! – Bold Tuesday
The Evolution of the World Map: An Inventive Infographic Shows How Our Picture of the World Changed Over 1,800 Years