Imagine strapping on a virtual reality headset and 'walking' through a long-gone neighborhood in your city -- seeing the streets and buildings as they appeared decades ago. That's a very real ...

Researchers using state-of-the-art scanning technology have produced a highly detailed 3D digital map of Londonderry's historic walled city. The Walls of Derry are famous for being the only completely ...

Dating back to the early 1600s, the Walls are one of the city's most iconic landmarks and a major draw for international visitors [Getty Images] Researchers using state-of-the-art scanning technology ...