23 Season
705 Episode
Modern Marvels - Season 1 Episode 1 Grand Coulee Dam
The world’s largest concrete dam–and the largest concrete structure in the world–lies on the Columbia River in the State of Washington. B uilt in 1931, it is also one of the largest hydroelectric power plants in the world.
- Year: 2022
- Country: United States of America
- Genre: Documentary
- Studio: History, H2
- Keyword: technology, invention, disaster, construction, machine
- Director: Bruce Nash
- Cast: