The skeleton of Acrocanthosaurus, which resides in the Virgina Museum of Natural History, has survived for some 100 million years, but now it is accompanied by a much more fragile twin. A 20-foot-long Acrocanthosaurus balloon sculpture has been built beside the fossilized skeleton, and will stay there until it deflates.
Airigami, led by balloon artist Larry Moss, constructed this enormous display. Below, you can see a time-lapse video of its construction:
You can also see more photos of this glorious inflated dino at designboom.