Building Giants Season 4 Episode 3
Underground Mega Highway
An expert team of engineers use hi-tech explosions and state-of-the-art drilling rigs to tear through solid granite and build an 11-mile underground tunnel, one of the longest in the world.
4 - 8Cruise Ship of the FutureJul. 01, 2020- 4 - 7Monster Roller CoasterJun. 24, 2020
- 4 - 6High-Speed TrainJun. 17, 2020
- 4 - 5Earthquake Proof Mega BridgeJun. 03, 2020
- 4 - 4Mega Ice ShipMay. 27, 2020
- 4 - 3Underground Mega HighwayMay. 20, 2020
- 4 - 2L.A. Mega RailMay. 13, 2020
- 4 - 1City of IceMay. 06, 2020
