Footage from the 1927 flood. Clips include shots of workers along the Mississippi River enforcing the levees with sandbags, Secretary of Commerce Herbert Hoover surveying the damage, and aerial views of the flooding.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.
High on a granite cliff in South Dakota's Black Hills tower the huge carved faces of four American presidents: George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt.
How do you manage weapons of mass destruction without being destroyed by them?
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
John Wesley Powell's epic journey into the unknown Grand Canyon was filled with adventure as his team mapped the Colorado River for the first time.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
The most daring and innovative accomplishment at the turn of the 20th century.