As Istanbul is one of the best cities considered as the capital of culture and art, themuseums in Istanbul are outstanding. Museums in Sultanahmet, Sariyer, Edirnekapi, Besiktas, Karakoy and many other districts host many residents and visitors of Istanbul every day, uniting them with history, culture and arts. A visit to the Istanbul museums will be one of the best things to do in Istanbul. 

The Archaeological Museum contains an immense collection of Hellenistic, Roman and Byzantine works and items including sculptures and sarcophagi.

Istanbul Military Museum  has many unique pieces about the history of Military of Turkic and of other countries as well. Visitors can learn lots of information about history, military's effect on politics, weapons from all over the world and military tactics. 

Hagia Sophia: This ancient basilica, built by Constantine the Great, in the 4th century and reconstructed by Justinian in the 6th century, is one of the architectural marvels of all time. By general consensus, it is the most important structure of its time and one of the world’s great monuments.

Topkapı Palace, Topkapı Palace was not only the  residence of the Ottoman sultans, but also the administrative and educational centre of the state until the middle of the 19th century.

The Dolmabahce Palace is located along the European shore of the Bosphorus Strait. After the 17th century sultans used it to relax enjoying the views. The Parliament decided to use Dolmabahce as a presidential palace of the the WWI thus Atatürk stayed and received foreign guests here during his visits to Istanbul. 

Basilica Cistern is one of the magnificent ancient buildings of İstanbul located in the southwest of Hagia Sofia. Constructed for Justinianus I, the Byzantium Emperor (527-565), this big underground water reservoir is an architectural heritage. As there used to be a basilica in the place of the cistern, it is also called Basilica Cistern.