Season 1 · Episode 1
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Grand Coulee Dam
Fri, Dec 10, 1993
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.
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Fri, Dec 10, 1993
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Modern Marvels
708 episodes
Episode
S1 · E1
in Modern Marvels
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S1 · E2
The Empire State Building
Fri, Jan 21, 1994