Hagia Sophia Museum: Built between 527-565 by Anthemios (Tralles) and Isidoros (Miletus) under the order of Emperor Justinianos. It is called "the eighth wonder of the world" by East Roman Philon. Following the conquest of Istanbul by Fatih Sultan Mehmed, the Hagia Sophia was converted into mosque. It was converted into a museum in 1935. www.ayasofyamuzesi.gov.tr/
Rahmi M. Koc Museum: Industrial museum: Classic cars , railway carriages , Horse Drawn Tram, Discovery Sphere (Planetarium) , Fenerbahce Ferry Boat ,Douglas DC-3 'Dakota' , The Sailing Boat of the first Turkish sailor who went on a tour around the world. You can also visit the collection of Models Toys made in 19th & 20th century and the Old shops: Pharmacy, Clock repairer, Toy shop www.rmk-museum.org.tr/english/index.html
The Museum of Archaeology: Archaeological pieces like Sumerian tablets, pieces of the wall of Babylon and Roman marble statues.www.istanbularkeoloji.gov.tr
History of Science and Technology in Islam Museum: located in the Gulhane Park., it exhibits objects about Islamic civilization related to the astronomy, geography, nautics, time measurement, geometry, optics, medicine, chemistry, physics, architecture and military techniques.
Pera Museum : Orientalist painting collection , Anatolian Weights and Measures Collection , Kutahya Tiles and Ceramics Collection , Photography Collection ad exhibitions more .... en.peramuzesi.org.tr/
Istanbul Modern : Collections and temporary exhibition halls, photography gallery, educational and social programs, library, cinema, cafe, and store. www.istanbulmodern.org/en
Orhan Kemal Museum: Museum on the life of the writer Orhan Kemal www.orhankemal.org
Ataturk Museum: The historical 3-storey house inwhich the founder of Turkish Republic, Kemal Ataturk stayed before the start of the Turkish War of Independence
Military Museum :Museum collects, classifies, maintains and renovates the works of art that can be regarded as cultural military assets, and stores and exhibits them. www.askerimuze.tsk.tr
Sakip Sabanci Museum: Collections like The Arts of the Book and Calligraphy , Painting Collection , Collection of Furniture and Decorative Arts, Abidin Dino Archive and exhibitions www.sakipsabancimuzesi.org/
Sadberk Hanim Museum: Archaeological and ethnographical artifacts from the collection of Koc Family.www.sadberkhanimmuzesi.org.tr