These ancient structures still stand - but the people who built them remain a mystery that history can’t fully explain.

There are many jaw-dropping structural feats around the world, each with its own interesting engineering designs. But the one type of structure that always leaves us in great awe is dams. Their sheer ...

The expansion of one of the Mediterranean’s strongest powers wasn’t only driven by conquest, but also infrastructure. By ...

Some of the longest bridges on Earth stretch so far that they disappear into the horizon, whether they cut through familiar hometown landscapes or span waterways on the other side of the world. These ...