Aired Sunday 18 February,
7:10am - 8:00amon Yesterday
Underground Worlds
Series 2 Episode 4: Hotel Bunker of the ApocalypseExploring the top secret, Cold War US government bunker hidden beneath the Greenbrier Hotel. Plus, delve into the dark depths of a former slate mine in Wales, UK.
- Category
- Documentary
- Original air date
- 31/01/2022
Cast and crew
