57:26

Detailed tour of a 30 MILLION dollar bunker

46:29

Turning giant Cold War missile silo into 50-ton-door underground home

44:25

The GPO Amethyst Cargo Ship (Full Episode) | Superstructures: Engineering Marvels | Nat Geo

28:36

Building My Gigantic DREAM Shop! (Part 2)

7:44

Exploring the cold-war phone system designed to survive a nuclear attack