Support Provided By
1:28
In June 1892, workers at the Andrew Carnegie-owned steel plant went on strike.
0:57
The south tower of the Golden Gate Bridge was built over a thousand feet into open ocean.
14:03
Writer Pete Hamill talks about New York before, during, and after construction of the WTC.
1:33
The streets and buildings of Chicago had to be raised to accommodate a new sewage system.
2:49
Engineers plan a pipe system to deliver clean water to Chicago from Lake Michigan.
0:57
Improvements in elevators and the creation of structural steel made skyscrapers possible.
1:12
WARNING: GRAPHIC CONTENT: Lynching was a danger African-American men faced in the South.
0:51
The opening minutes of a 1960 film by a pro-segregation commission in Mississippi.
1:15
In the 20th century, hundreds of thousands of African-Americans moved North.