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Italy's Subterranean Secret

Name: Italy's Subterranean Secret
Genre: Documentary
Released: 2022-03-14
Duration: 45 min

Exploring caves beneath Orvieto in Italy, originally built by the Etruscans long before the Roman Empire. Plus, a former limestone mine under Kansas City.

Aired: Mar 14, 2022 Genre: DocumentaryDuration: 45m Rating: 0 Country: United Kingdom Production:

Seasons

Season 1 Season 2

Episodes

01: Murder Raid Tunnels 02: Grand Canyon's Lost Treasure 03: Cincinnati's Secret Caverns 04: Hotel Bunker of the Apocalypse 05: Mystery of the Kentucky Cave 06: Ireland's Underground Alcatraz 07: Medieval Maze of Secrets 08: Buried Lab of the Black Hills 09: Subterranean Silo Survival 10: Italy's Subterranean Secret