The Hoover Dam is in the Black Canyon of the Colorado river, between the states of Arizona and Nevada.
Its construction began in 1931 and was completed in 1935.
This dam is named Hoover because Herbert Hoover played an instrumental role in its construction, first as the Secretary of Commerce and later as the President of the United States.
It´s a very intersenting video showing the hard construction of this beautiful dam. It´s composed of 5 videos.
Hoover Dam 1/5
Hoover Dam 2/5
Hoover Dam 3/5
Hoover Dam 4/5
Hoover Dam 5/5
From: youtube and wikipedia