Top 10 Largest Dams in The World 2024

7. Grand Coulee Dam

The Grand Coulee Dam, in Washington state, is not only one of the most powerful dams in North America, but also one of the country’s seven civil engineering wonders.

Grand Coulee Dam is a concrete gravity dam erected on the Columbia River in Washington, United States, to generate hydroelectric power and provide irrigation water. Grand Coulee had only two powerhouses when it was built between 1933 and 1942.