The world's largest concrete dam--and the second largest concrete structure in the world--lies on the Columbia River in the State of Washington. It is also one of the largest hydroelectric power plants in the wrold, and it's huge irrigation pumps are big enought to pump dry most of the rivers in the United States. It's construction in an isolated and thinly populated area of the U.S. during the Depression years, was one of the greatest achievements of the Work Projects Administration, President Franklin Roosevelt's bid to restore prosperity and jobs to a nation in trouble. Constructed by Mason-Walsh-Atkinson-Kier Co. in 1931, it is 550 feet high and 4,173 feet in length.

Discover the remarkable story of how this landmark New York City skyscraper was constructed during the depths of the Great Depression.

Chronicles one of the most incredible engineering feats of all time: construction of the 51-mile canal that took 10 years to build and employed over 40,000 workers, 6,000 of whom died of yellow fever, malaria, and other horrors. An earlier, 9-year attempt by the French ended in failure and cost 20,000 lives.

The incredible tale of how Gutzon Borglum created the world’s largest sculpture by carving the faces of four US presidents (George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln) into the Black Hills of South Dakota.