The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.
The personal journey of three generations of a Japanese American family, including their stint in internment camps during World War II.
In the decade after the Civil War, former slaves sing their way into a nation's heart with spirituals, the religious anthems of slavery.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
The impact of tuberculosis in America, once the deadliest killer in human history.
A new religion called spiritualism affected the nation in the era of Abraham Lincoln, P. T. Barnum and Frederick Douglass.
The country's oldest beauty contest has become a battleground and a barometer for the position of women in society.