Once the biggest cathedral in the world, the Hagia Sophia is considered the magnum opus of Byzantine architecture. Visitors say it is a must-see when in Istanbul and recommend taking a guided tour ...

The Siege of 1453 The Siege of 1453 was a defining moment for Constantinople and the world. The city, once considered impregnable, faced the formidable forces of the Ottoman Empire led by Sultan ...

Istanbul, located on the shores of ... Such a sight will not leave anyone indifferent. Hagia Sophia is a former Patriarchal Orthodox Cathedral built in 537. For more than 86 years it was a museum ...