A 36-minute overview of one of mankind's greatest achievements. In the early 1930s, America was in the depths of a tragic economic depression. Yet the people of that troubled era constructed Hoover Dam, still one of the great wonders of the world.
1991
1993
2012
2016
1997
1952
1953
1956
2007
2002
2015
2020
2017
2009
1992