A breathtaking evening view showcases the illuminated Hagia Sophia, one of the most iconic landmarks of Istanbul. The ...

Few buildings, including culturally significant places of worship, have a history as rich and complicated as the Hagia Sophia. First erected in the 6th century C.E., the structure has variously been ...

Istanbul (CNN) — Whether you’re a believer or not, visiting Hagia Sophia is a spiritual experience. The architectural genius of this place of worship — which was built as a church in 537CE before its ...

The Hagia Sophia, constructed during the Byzantine era, had been hiding seven tunnels that were part of a network connecting ...

The basillica and its storied mosaics constitute a matchless and threatened treasure. Architectural historian Dan Cruickshank calls it a "sacred mountain of a building, vast and elemental." Yann ...