![Beaux Arts entrance leading to Natural Science wing of at Carnegie Museum. Pittsburgh, PA.](/t/USPA/PATV013.JPG) | ![<i>Diplodocus canegii</i> & <i>Apatosaurus louisae</i> from Jurasic Period of Mesozoic era from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATV723.JPG) | ![<i>Apatosaurus louisae</i> from Jurasic Period of Mesozoic era from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATV724.JPG) | ![<i>Allosaurus fragilis</i> from Jurasic Period of Mesozoic era from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATV725.JPG) |
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. |
![<i>Stegosaurus armatus</i> from Jurasic Period of Mesozoic era from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATV727.JPG) | ![<i>Camarasaurus lentus</i> from Jurasic Period of Mesozoic era from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATV729.JPG) | ![Juvenile <i>Tyrannosaurus rex</i> from Late Cretaceous Period of Mesozoic era from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATV731.JPG) | ![<i>Tyrannosaurus rex</i> from Late Cretaceous Period of Mesozoic era from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATV733.JPG) |
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.](/t/USPA/PATV735.JPG) | ![<i>Triceratops prorsus</i> from Late Cretaceous Period of Mesozoic era from Western North America at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATV736.JPG) | ![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.](/t/USPA/PATU351.JPG) | ![Oviraptorosaur skeleton from late Cretaceous period from South Dakota at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATU361.JPG) |
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.](/t/USPA/PATV739.JPG) | ![Hall of Minerals & Gems at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATV751.JPG) | ![Mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATU341.JPG) | ![Gold nugget in mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATU342.JPG) |
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.](/t/USPA/PATU344.JPG) | ![Topaz in mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATU345.JPG) | ![Malachite in mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATU346.JPG) | ![Russian-designed mineral figurines carved in Germany at mineral gallery of Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATU347.JPG) |
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. |
![Float copper in hall of minerals at Carnegie Museum of Natural History. Pittsburgh, PA.](/t/USPA/PATV755.JPG) |
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Float copper in hall of minerals at Carnegie Museum of Natural History. Pittsburgh, PA. |
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