The main dome of the Hagia Sophia Grand Mosque in Istanbul is to undergo the most extensive restoration in its 1,488-year ...

The dome of Istanbul's landmark Hagia Sophia, a former church converted into a mosque, is to be restored and made ...

When you’re the emperor Augustus, they let you do it.

On a riverside in eastern Austria sat a mysterious set of ruins. Some believed it to be an abandoned, run-down castle. Others ...