We are open today.
BE ADVISED: On Tuesday, August 4 and Wednesday, August 5, Age of Mammals and the Haaga Family Rotunda will be closed to the public.
How a T. rex growth series came to be
The stunning centerpiece of this gallery is the Tyrannosaurus rex growth series, featuring a baby, juvenile, and sub-adult T. rex. It's the only one of its kind in the world.
