How did they do it?
Find out in this eighteen-minute film, Building the World Trade Center, produced by the Port Authority of New York and New Jersey in 1983 with original footage of the towers under construction.
To learn more about the engineering behind the World Trade Center, read an illustrated essay, Towers of Innovation, on the PBS companion site to NOVA's Why The Towers Fell.
In 1969, homosexuality was illegal in almost every state... but that was about to change. The Stonewall riots marked a major turning point in the modern gay civil rights movement.
A gripping tale of medical intervention gone awry, and one of the most barbaric mistakes of modern medicine.
The bizarre saga of the Symbionese Liberation Army and Patty Hearst's kidnapping and conversion to her captors' cause.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.
Brothers Wilbur and Orville Wright built a flying machine that made its first flight in Kitty Hawk, North Carolina in 1903.
America came apart in 1964 and has since been reborn.
in 1931, Grace Hubbard Fortescue received a one-hour sentence for murdering a local Hawaiian accused of raping her daughter.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.