The oldest churches have stood as some of the most awe-inspiring structures in human history, preserving the legacies of faith and culture.

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.

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 ...