Huge, yet not quite life-size

On Nov. 21, the Carnegie Museum of Natural History in Pittsburgh will unveil the world’s largest dinosaur mural, a 180-foot-long portrayal of creatures and plants that lived in the western United States about 150 million years ago.

The mural is part of a 30-month, $36 million renovation and expansion of the museum’s dinosaur halls, says Matt Lamanna, assistant curator of vertebrate paleontology.