Beneath the streets of Cologne, Germany, layers of Roman architecture have drawn scholarly attention for decades, and a ...

Archaeologists in Cologne, Germany have made a jaw-dropping discovery beneath the city’s historic center: a 2,000-year-old Roman altar and staircase hidden beneath urban streets, in a place where it ...

Cologne was once Colonia Claudia Ara Agrippinensium, a powerhouse of the Roman Empire. The governor lived here in a massive palace called the Praetorium. We’ve known about the palace for decades, but ...