Osman Hamdi Bey Museum
It was built in 1884 in Gebze-Eskihisar Village by the great Turkish Museum and painter Osman Hamdi Bey (1842-1910) as a painting house, boathouse and outbuilding. Many of the building materials of the mansion, whose plans were drawn by Osman Hamdi Bey and have the characteristics of French architecture, were brought from abroad.