Picture of the Week #26
Hall of Saurischian Dinosaurs, American Museum of Natural History, August 2006. T-Rex in foreground and Apatosaurus in the background.
I figured that some of the largest things to ever roam the planet was a good way to celebrate the 200th birthday of Charles Darwin, along with my favorite quote from On the Origin of Species (which was published 150 years ago this year):
... whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved."