Most urgent is the preservation of its iconic dome, the underside ... were added to the exterior. After being used as an interfaith museum from 1935, Hagia Sophia was controversially reclassified ...

Sultan Ahmed I was determined to build a mosque that rivaled the nearby Hagia Sophia, and most would agree that he accomplished this task or, at least, came close. Since the early 1600s ...

Tourists flock en masse to the Hagia Sophia for its stunning architecture, glorious interior views and historical significance. Built between 532 and 537, the building was a church for nearly a ...

Turkey's Hagia Sophia will open to visitors outside prayer times and its Christian icons will remain, religious officials said on Tuesday, after a court ruling paved the way for it to become a mosque.

Building buttresses to support your heavy dome is a good solution -- but it won't work here. When the magnificent Turkish cathedral Hagia Sophia collapsed only 20 years after it was built ...