Crystal Palace Dinosaurs listed buildings from 1973, extensively restored in 2002, and upgraded to Grade I listed in 2007. The models represent fifteen genera of extinct animals, not all dinosaurs. They are from a wide range of geological ages, and include true dinosaurs, ichthyosaurs, and plesiosaurs mainly from the Mesozoic era, and some mammals from the more recent Cenozoic era. Following the closure of the Great Exhibition in October 1851, Joseph Paxton's Crystal Palace was bought and moved to Penge Place atop Sydenham Hill, South London by the newly formed Crystal Palace Company. The grounds that surrounded it were then extensively renovated and
New York Crystal Palace Crystal Palace built in London's Hyde Park to house The Great Exhibition of 1851. The New York Crystal Palace had the shape of a Greek cross, and was crowned by a dome 100 feet in diameter. Like the Crystal Palace of London, it was constructed from iron and glass. Construction was handled by engineer Christian Edward Detmold. Horatio Allen was the consulting engineer, and Edmund Hurry the consulting architect. President Franklin Pierce spoke at the dedication on July 14, 1853. Theodore Sedgwick was the first president of the Crystal Palace Association. After a year, he was succeeded by Phineas T.