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.
First Air Date: Dec 10, 1993
Last Air date: Aug 08, 2022
Season: 23 Season
Episode: 705 Episode
Runtime: 44 minutes
IMDb: 7.90/10 by 27.00 users
Popularity: 53.656
Language: English