Rome

History is full of artifacts that later turn out to be fakes, but occasionally the opposite can happen. New analysis of ancient Roman coins long dismissed as forgeries has found they seem to be authentic, revealing a previously unknown Roman emperor.

Scientists have mapped an entire buried ancient Roman city known as Falerii Novi using radar technology. The researchers unraveled the secrets of the city 30.5 hectare Italian city by riding over its remains in a quad bike towing a radar instrument.