Subterranean Secrets and Forgotten Foundations

Hidden Beneath the Cities

S01E06
May 8, 2026 45 min

Overview

Walk the service tunnels hidden beneath Emperor Hadrian's lavish villa in Italy. Uncover a chilling mass grave from the Thirty Years' War in Germany, find the foundations of a Roman basilica in London, and glimpse Neolithic life on a Danish island.

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