For the skeptics that claim colorful plastic bricks can't be used as an art medium, here's a glimpse of some of the world's most famous works of art, done in Lego bricks.
A classic here in the US, American Gothic: (above)
And of course the most famous smile in history, Mona Lisa:

While these were my favorite, be sure to shoot on over to the DailyMail to see the rest of the collection.