(CNN) — The majestic structures of ancient Rome have survived for millennia — a testament to the ingenuity of Roman engineers, who perfected the use of concrete. But how did their construction ...

NEW YORK (AP) — In the quest to build better for the future, some are looking for answers in the long-ago past. Ancient builders across the world created structures that are still standing today, ...

Add Yahoo as a preferred source to see more of our stories on Google. The Arch of Caligula at the archaeological site of Pompeii, the ancient Roman city destroyed by Mount Vesuvius' eruption in AD 79.

Roman concrete is pretty amazing stuff. It's among the main reasons we know so much about Roman architecture today. So many structures built by the Romans still survive, in some form, thanks to their ...

(CNN) — Along with its many other innovations, the Roman Empire revolutionized architecture with never-before-seen features, such as large-scale arches and dome roofs. And many of these structures ...