Carnegie Museum of Natural History

The Carnegie Museum of Natural History (abbreviated as CMNH) is a natural history museum in the Oakland neighborhood of Pittsburgh, Pennsylvania. Reputation It has an international reputation for research and is ranked among the top five natural history museums in the United States. The museum gained prominence in 1899 when its scientists unearthed the fossils of Diplodocus. Today its dinosaur collection has the world's largest collection of Jurassic dinosaurs. Its Dinosaurs in Their Time exhibition is the third largest collection of mounted, displayed dinosaurs in the United States (behind the Smithsonian's National Museum of Natural History and the American Museum of Natural History). Notable specimens include one of the world's only fossils of a juvenile Apatosaurus, the world's first specimen of a Tyrannosaurus rex, and a recently identified species of oviraptorosaur named Anzu wyliei. References