Buried Lab of the Black Hills (S02E04)
S02E04
Deep within the Black Hills of South Dakota, almost a mile underground, lies a state-of-the-art laboratory engaged in groundbreaking scientific exploration. Specialists discuss remarkable technological progress made by engineers over a hundred years ago that continues to sustain its functionality even today.
Show
Underground Marvels
Episode
S02E04
Air Date
Aug 26, 2021
Season 2 Episodes
S02E01
Hotel Bunker of the Apocalypse
S02E02
Mystery of the Kentucky Cave
S02E03
Cincinnati's Secret Caverns
S02E04
Buried Lab of the Black Hills
S02E05
Ireland's Underground Alcatraz
S02E06
Subterranean Silo Survival
S02E07
Italy's Subterranean Secret
S02E08
Grand Canyon's Lost Treasure
S02E09
Murder Raid Tunnels
S02E10
Medieval Maze of Secrets