Hidden Beneath the Cities

In Italy, explorers uncover a tunnel system, revealing a vast subterranean world. In Germany, construction workers uncover eight mass graves containing skeletons. In London, archaeologists unearth the foundations of the city's earliest Roman basilica. In Denmark, Neolithic longhouses and a mysterious chamber reveal traces of early farming life

Today · Wednesday, 15 July 1 airing
10:00
National Geographic Channel
S1 E6 · Subterranean Secrets and Forgotten Foundations
Sunday, 19 July 1 airing
19:00
National Geographic Channel
S1 E7 · Buried Battleship and Viking Victims