 |  |  |  |
Beaux Arts entrance (1895) leading to Natural Science wing of at Carnegie Museum. Pittsburgh, PA. | Diplodocus canegii & Apatosaurus louisae from Jurasic Period of Mesozoic era (150 MYA) from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA. | Apatosaurus louisae from Jurasic Period of Mesozoic era (150 MYA) from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA. | Allosaurus fragilis from Jurasic Period of Mesozoic era (150 MYA) from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA. |
 |  |  |  |
Stegosaurus armatus from Jurasic Period of Mesozoic era (150 MYA) from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA. | Camarasaurus lentus from Jurasic Period of Mesozoic era (150 MYA) from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA. | Juvenile Tyrannosaurus rex from Late Cretaceous Period of Mesozoic era (66 MYA) from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA. | Tyrannosaurus rex from Late Cretaceous Period of Mesozoic era (68-66 MYA) from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA. |
 |  |  |  |
Casts of several Pachyrhinosaurus & Triceratops-type skulls in dinosaur gallery at Carnegie Museum of Natural History. Pittsburgh, PA. | Triceratops prorsus from Late Cretaceous Period of Mesozoic era (68-66 MYA) from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA. | Columbian mammoth skeleton found in Colorado's Platte River with Clovis arrow points indicated hunting by Paleoindians at Carnegie Museum of Natural History. Pittsburgh, PA. | Oviraptorosaur skeleton from late Cretaceous period from South Dakota at Carnegie Museum of Natural History. Pittsburgh, PA. |
 |  |  |  |
Dinosaur laboratory at Carnegie Museum of Natural History. Pittsburgh, PA. | Hall of Minerals & Gems at Carnegie Museum of Natural History. Pittsburgh, PA. | Mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA. | Gold nugget in mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA. |
 |  |  |  |
Mineral in mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA. | Topaz in mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA. | Malachite in mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA. | Russian-designed mineral figurines carved in Germany at mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA. |
 |
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Float copper in hall of minerals at Carnegie Museum of Natural History. Pittsburgh, PA. |
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