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
The Crystal Palace presence of 40,000 guests. Several localities claim to be the area to which the building was moved. The street address of the Crystal Palace was Sydenham (SE26) after 1917, but the actual building and parklands were in Penge. When built, most of the buildings were in the County of Surrey, as were the majority of grounds, but in 1899 the county boundary was moved, transferring the entire site to Penge Urban District in Kent. The site is now within the Crystal Palace Ward of the London Borough of Bromley. Two railway stations were opened to serve the permanent exhibition: The