The Urinals of Grand Coulee Dam

Grand Coolee Dam is located in Coulee Dam, WA. It is the largest concrete dam in North America, and the 3rd largest producer of electricity in the entire World.

Filed under: Parks

These pictures were sent in by an independent contributor.

The dam contains 11,975,521 cubic yards of concrete. The first water spill over the dam took place on June 1, 1942.