Dilek Peninsula-Büyük Menderes Delta National Park Aegean Region in general. The peninsula was shaped into its current form over several geological eras with the tectonic merging of Paleozoic schist formations, Mesozoic limestone and marble deposits, and finally the accretion of large clays and other sediments during the Neogene period. This is partly because of Turkey's unstable fault block terrain, and because of the close proximity of the Anatolian-Aegean plate boundary, which generates massifs of mountains all across western Turkey. This includes the peninsula and the mountains surrounding the Büyük Menderes River, known collectively as the Menderes Massif. The peninsula is highly mountainous, with most of its
Pera Museum preserved the facade of the building and transformed the interior into a modern and fully equipped museum. Pera Museum hosts regular, international loan exhibitions, in addition to holding permanent collections of Orientalist Paintings, Anatolian Weights and Measures, and Kütahya Tiles and Ceramics. The museum's "Orientalist Painting Collection" consists of works by European and Ottoman/Turkish artists, including works by Osman Hamdi Bey and his most famous painting, "The Tortoise Trainer". The "Anatolian Weights and Measures Collection" comprises over ten thousand pieces and consists of objects dating from prehistory to those used in present day Anatolia. These comprise the main types of