 |  |  |  |
Smithsonian National Museum of Natural History (1910) on National Mall. Washington, DC. Style: Neoclassical. Architect: Hornblower & Marshall. | Dome of National Museum of Natural History. Washington, DC. | Entrance of National Museum of Natural History. Washington, DC. | Neoclassical façade of National Museum of Natural History. Washington, DC. |
 |  |  |  |
Entrance hall of National Museum of Natural History. Washington, DC. | Entrance hall of National Museum of Natural History. Washington, DC. | Model of whale at National Museum of Natural History. Washington, DC. | Model of jelly fish at National Museum of Natural History. Washington, DC. |
 |  |  |  |
Sea shell classification display at National Museum of Natural History. Washington, DC. | Fossils of sea creatures at National Museum of Natural History. Washington, DC. | Sea turtle fossil (Protostega gigas) (Late Cretaceous 80-70 million years ago) at National Museum of Natural History. Washington, DC. | Ichthyosaur (Early Jurassic 195-180 million years ago) at National Museum of Natural History. Washington, DC. |
 |  |  |  |
Collection of coiled shell fossils (mostly Late Cretaceous 80-65 million years ago) at National Museum of Natural History. Washington, DC. | Sphenodiscus lenticularis fossil (Late Cretaceous 68-65 million years ago) at National Museum of Natural History. Washington, DC. | Early whale (Zygorhiza kochii) (Late Eocene 39-37 million years ago) at National Museum of Natural History. Washington, DC. | Allosaurus dinosaur skeleton in Smithsonian's Natural History Museum. Washington, DC. |
 |  |  |  |
Skull of Camarasaurus lentus fossil (Late Jurassic 155-140 million years ago) at National Museum of Natural History. Washington, DC. | Cast of Stegosaurus stenops fossil (Late Jurassic 150 million years ago) at National Museum of Natural History. Washington, DC. | Array of dinosaur skeletons at National Museum of Natural History. Washington, DC. | Stegosaurus stenops fossil (Late Jurassic 150-140 million years ago) at National Museum of Natural History. Washington, DC. |
 |  |  |  |
Allosaurus fragilis fossil (Late Jurassic 150-140 million years ago) at National Museum of Natural History. Washington, DC. | Skull of Allosaurus fragilis fossil (Late Jurassic 150-140 million years ago) at National Museum of Natural History. Washington, DC. | Ceratosaurus nasicornis fossil (Late Jurassic 145 million years ago) at National Museum of Natural History. Washington, DC. | Camptosaurus dispar fossil (Late Jurassic 155-145 million years ago) at National Museum of Natural History. Washington, DC. |
 |  |  |  |
Skull of Edmontosaurus annectens fossil (Late Cretaceous 80-65 million years ago) at National Museum of Natural History. Washington, DC. | Skull of Triceratops horridus fossil (Late Cretaceous 70-65 million years ago) at National Museum of Natural History. Washington, DC. | Skull cast of a Pachycephalosaurus (Late Cretaceous 70-65 million years ago) at National Museum of Natural History. Washington, DC. | Cast of Tyrannosaurus rex fossil (Late Cretaceous 65 million years ago) at National Museum of Natural History. Washington, DC. |
 |  |  |
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Cast of Tyrannosaurus rex fossil (Late Cretaceous 65 million years ago) at National Museum of Natural History. Washington, DC. | Cast of Tyrannosaurus rex fossil (Late Cretaceous 65 million years ago) at National Museum of Natural History. Washington, DC. | Cast of Tyrannosaurus rex skull (Late Cretaceous 70 million years ago) at National Museum of Natural History. Washington, DC. |
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