By the early of 19th century, the trade with the East began to decline. On 1838, the palace was abandoned by the Ottomans and fell into ruin.
By 1858 it was in such a ruinous condition that it had to be restored: the task was given to Camillo Boito who gave it its present appearance, maintaining the characteristics of the original buildings, i.e. its Venetian-Byzantine faēade covered in marble.
After the restoration work it became the house of Correr Civic Museum. But in 1923 Correr Museum was transferred to its present home in St. Marks Square.
Italian malacologist Giorgio Silvio Coen proposed to use the vacant Fondego dei Turchi for a Natural History Museum. This was to bring together the various scientific collections already existing within the city: at the Correr Museum, the Istituto Veneto di Scienza, Lettere ed Arti, the private collection of Count Alessandro Pericle Ninni and other smaller collections.
Guide to the Museum of Natural History
Museum is currently on restoration. Only the Ligabue Expedition room and the Tegnue aquarium are open to the public.