Take a tour of Hagia Sophia in Istanbul, Turkey part of the World s Greatest Attractions travel video series by GeoBeats.
Istanbul s famous Hagia Sophia is a classic example of Byzantine architecture.
Its uniquely constructed dome is a source of interest for many.
The church served as a Christian place of worship from the year 360 until the 1300s.
Under the Ottoman Empire, it was converted into a mosque.
Download the TV Guide app for iPhone, iPad and Android!