Buffalo Museum of Science
Buffalo, New York
The Art of the Brick is a global touring exhibit by artist Nathan Sawaya. His medium is the Lego. It happened to be at the Buffalo Museum of Science when I was in town.
Several of the works were the Lego impression of classic works of art, but the vast majority on display were not based on previous works.
I saved my favorite piece for last: A 20 foot long, 80,000 plus Lego, of a T-Rex. He gets two photos to show the size of this many-bricked dinosaur.