A large, new classical building, the Old Museum, was built at the north-western end of the Lustgarten by the leading architect, Karl Friedrich Schinkel, and between 1826 and 1829 the Lustgarten was redesigned by Peter Joseph Lenné, with formal paths dividing the park into six sectors.
Frederick William's successor, Frederick William III, turned the island into a model farm and in 1821–1834 had the park redesigned by Peter Joseph Lenné and Karl Friedrich Schinkel, who planned several auxiliary buildings.
The park was originally conceived by the landscape gardener Peter Joseph Lenné, and in 1840 the Berlin city council decided to construct it on the occasion of the centennial of Frederick the Great's ascension to the Prussian throne.
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