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
Fountains in the United Kingdom new materials and technologies. The Crystal Fountain was the first of these fountains. Designed by Follett Osler, it was the world's first glass fountain, made of four tons of pure crystal glass. It was displayed in the central court of the Crystal Palace of the London Great Exhibition of 1851. It was destroyed by fire, along with the Crystal Palace, in 1936. The "Art Journal Illustrated Catalogue of the Great Exhibition" wrote in 1851 that the fountain was "perhaps the most striking object in the exhibition; the lightness and beauty, as well as the perfect novelty of the design, have