one of the greatest city's on earth.Great scenery, food, nightlife, lots of shopping.heart of the Ottoman Empire,art of Byzantine.Greek called Bosphorus,Roman empire made Constantine then turks said Istanbul.But The common point is Istanbul was very important for all of them.
There are many museum in istanbul.
Archaeological Museum: Greek, Roman and other Anatolian civilizations dating back to the 6th century BC. The Sarcophagus of Alexander the Great, Sarcophagus of Mourning Ladies, and other ancient sarcophagi and various objects found in the Sidon excavation are among its most interesting pieces.
The Ataturk Museum: Here you can find most things about the Turkish leader Ataturk
Modern Arts Museum:this is the first Modern Arts museum in Istanbul.You can find everything on modern Turkish Arts.
Kapalicarsi (Grand Bazaar): The Bazaar's fine shops and exotic atmosphere.It's divided into many sections such as leather, rugs, souvenirs, copper, antiques, textile etc. There are 18 gates and 60 streets inside
Topkapi Palace: After the Conquest of Constantinople in 1453, Mehmet II ordered to built.The palace was the political center of the Ottoman Empire between the 15th and 19th centuries, until they built Dolmabahce Palace by the waterside.During the 400 hundred years of reign at Topkapi, each sultan added a different section or hall to the palace, depending on his taste or on the needs of the time
Sultanahmet:The heart of historic Old Istanbul.This is where you'll find Topkapı Palace, Ayasofya, the Blue Mosque (Sultan Ahmet Camii), the Byzantine Hippodrome,the Istanbul Archeological Museums, Great Palace Mosaic Museum and more