The scope of the Grand Coulee Dam is so large that there are viewing platforms for miles around, all with terrific views of the mile-long dam.
The Grand Coulee Dam holds back the Columbia River and creates massive amounts of power from the water's flow. Here, the Columbia flows away from the dam.
Inside a booth at the visitors center, four giant lasers project the light show onto the dam each day at 10 p.m.
The dam is so large that to light it at night requires a gigantic bank of floodlights.
The Grand Coulee Dam includes three power generators. The second generator is visible on the left side of the image.
Every night, visitors to the Grand Coulee Dam can watch a 37-minute laser light show accompanied by an audio history of the dam. This image of a soldier is intended to illustrate how power from the dam helped the World War II effort.
Inside the Grand Coulee Dam visitors center are various posters and bits of memorabilia from the dam's early years. This is a blow-up of a post-card celebrating the dam.