Add Yahoo as a preferred source to see more of our stories on Google. Hagia Sophia was built as a church over a Roman temple, and was subsequently converted into a mosque and then a museum. Since 2020 ...

A wave of record-breaking construction projects is reshaping skylines across the globe. In Oklahoma City, a planned 1,907-foot skyscraper could become the tallest building in the Americas. Paris is ...

Step inside the world’s largest building, where an entire city has been constructed under one roof. Featuring shopping malls, hotels, offices, beaches, and more, this indoor megastructure is a city ...

Istanbul, Turkey (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 ...