--- title: Revisiting the American Museum of Natural History's Jurassic Hall description: As 'Jurassic World' hits theaters, a look back at how dinosaur enthusiasts got their fix in 1939 canonical: https://time.com/3863595/original-jurassic-world/ author: Eliza Berman article:opinion: false article:content_tier: free article:published_time: 2015-06-12T12:00:15.000Z article:modified_time: 2026-05-11T04:47:35.649Z og:title: Go Back in Time To Visit the Original Jurassic World og:description: As 'Jurassic World' hits theaters, a look back at how dinosaur enthusiasts got their fix in 1939 og:url: https://time.com/3863595/original-jurassic-world/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltf06702c0d2d2adbb/6987f23fcd1bba1ee16f9b08/150515-dinosaurs-10.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 2742 og:image:height: 1542 og:image:alt: Dinosaurs 1939 og:type: article twitter:card: summary_large_image twitter:title: Go Back in Time To Visit the Original Jurassic World twitter:description: As 'Jurassic World' hits theaters, a look back at how dinosaur enthusiasts got their fix in 1939 twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltf06702c0d2d2adbb/6987f23fcd1bba1ee16f9b08/150515-dinosaurs-10.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Go Back in Time To Visit the Original Jurassic World > Sponsored content. 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It stood on its hind legs, had front legs which were terminated by powerful talons. Hansel Mieth—The LIFE Picture Collection/Getty Images  by [Eliza Berman](https://time.com/author/eliza-berman/)  ## Eliza Berman Berman is a senior editor at TIME. Jun 12, 2015 12:00 PM UTC The _Jurassic Park_ franchise grossed more than $2 billion at the box office over the span of three movies and eight years, with the original film ranking in the top 20 American box-office performances of all time. On Friday, the franchise roars again with _Jurassic World_, a fourth installment that imagines how things might turn out if a dinosaur theme park attempted to attract visitors by creating a genetically modified hybrid dinosaur. (By all appearances, the answer is “not well.”) In 2015, we need genetic mutants and modern technology to amp up the drama. But in 1939, there was plenty of drama in the sheer possibility of seeing dinosaur fossils in a museum. That year, New York City’s American Museum of Natural History debuted the largest fossil exhibit in the world, consisting of 200 specimens covering a time period of 200 million years. Much of the collection came thanks to the paleontologist Barnum Brown, who had been excavating fossils since the 1890s. Among Brown’s treasures were a 66-ft. [brontosaurus](http://time.com/3773770/brontosaurus-dinosaur/) discovered in Wyoming and a nodosaurus, “resembling a huge horned toad,” originally found in 10,000 pieces near Billings, Mont. Decidedly absent from the momentous exhibition? Indominus rex, _Jurassic World_’s violent hybrid of four real-life dinosaur species. Let’s hope that one remains a figment of Hollywood’s imagination. _Liz Ronk, who edited this gallery, is the Photo Editor for LIFE.com. Follow her on Twitter_ [_@lizabethronk_](https://twitter.com/LizabethRonk)_._  Caption from LIFE. The Trachodon was most common of dinosaurs. Back of the bill it had 2,500 teeth which, like the bullets in a machine gun, replaced one another as enamel wore off. Hansel Mieth—The LIFE Picture Collection/Getty Images  Caption from LIFE. Tyrannosaurus was the largest of flesh-eaters, has a skull which weighs 1,000 lb. Though it had tremendous hind legs, its front legs were no larger than a man's arm. Hansel Mieth—The LIFE Picture Collection/Getty Images  Caption from LIFE. The 15-ft. step of an Iguanodont dinosaur was found in the roof of a coal mine at Cedaredge, Colo. The coal was mined away and the stone footprints were left. Hansel Mieth—The LIFE Picture Collection/Getty Images  Caption from LIFE. This new type of Iguanodont dinosaur had a duck-like bill with a few teeth. The tail, twice as long as the body, propelled the reptile through water. Hansel Mieth—The LIFE Picture Collection/Getty Images  Caption from LIFE. This 7-ft. Placodus existed 200,000,000 years ago, it lived in the ocean, had well-developed flipper feet and ate nothing but mollusks. Hansel Mieth—The LIFE Picture Collection/Getty Images  Display at the American Museum of Natural History Dinosaur exhibit in New York, 1939. Hansel Mieth—The LIFE Picture Collection/Getty Images  Behind the scenes at the American Museum of Natural History Dinosaur exhibit in New York, 1939. Hansel Mieth—The LIFE Picture Collection/Getty Images  Display at the American Museum of Natural History Dinosaur exhibit in New York, 1939. Hansel Mieth—The LIFE Picture Collection/Getty Images  Handling fragile fossil at the American Museum of Natural History Dinosaur exhibit in New York, 1939. Hansel Mieth—The LIFE Picture Collection/Getty Images  Caption from LIFE. This well-preserved Plateosaurus (oar lizard) was one of the earliest dinosaurs. It stood on its hind legs, had front legs which were terminated by powerful talons. Hansel Mieth—The LIFE Picture Collection/Getty Images  Display at the American Museum of Natural History Dinosaur exhibit in New York, 1939. Hansel Mieth—The LIFE Picture Collection/Getty Images  Caption from LIFE. Largest land tortoise that ever existed was found in India. This animal lived a million years ago, weighed 2,500 lb. in life and measured 7 ft. from tail to the head. 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