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
Wyld's Great Globe Great Exhibition, "Tallis's Illustrated London; in Commemoration of the Great Exhibition of All Nations in 1851. Forming a Complete Guide to The British Metropolis and its Environs" by John Tallis included an entry for Wyld's Globe complete with an illustration – a magnanimous gesture on Tallis' part considering that he was one of Wyld's competitors – and most reviews of the Great Globe were complimentary. In 1851, only the Crystal Palace received more visitors. Wyld's Globe was said to be a "admirable pendant to the Great Exhibition". The globe was open from 10am to 10pm every day except Sundays. Admission