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 ...

I rubbed my eyes in disbelief seeing a wall plaque at the Cummer Museum of Art and Gardens in Jacksonville ... Ottoman Empire for having turned the Hagia Sophia church into a mosque.

Ravenna is on Italy’s tourist map for one reason: its 1,500-year-old churches decorated with best-in-the-West Byzantine ...