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Hidden Beneath the Cities: 1x6
Subterranean Secrets and Forgotten Foundations
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.
1 - 1Underground Cities and Secret Chambers Apr. 24, 2026
1 - 2Crystal Cathedrals and Buried Bunkers Apr. 24, 2026
1 - 3Hidden Hypogeum and Lost Letters May. 01, 2026
1 - 4Tunnels and Tombs May. 01, 2026
1 - 5Labyrinths and Legends May. 08, 2026
1 - 6Subterranean Secrets and Forgotten Foundations May. 08, 2026
1 - 7Buried Battleship and Viking Victims May. 15, 2026
1 - 8Bones Beneath and Coffins & Coins May. 15, 2026
1 - 9Subterranean Seoul and Railway Revealed May. 22, 2026
1 - 10Secret School and Concealed Castle Cemetery May. 22, 2026