What country has the U.S. helped the most? Where has America's effort made the most difference? Which effort do you think has had the greatest impact on the world... or on the U.S.?
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
A man who symbolized African American equality fought a proponent of Hitler's Aryan racial theories on the eve of World War II.
A new religion called spiritualism affected the nation in the era of Abraham Lincoln, P. T. Barnum and Frederick Douglass.
In 1978 over 900 people led by Rev. Jim Jones died in the largest mass murder-suicide in history, at Jonestown, Guyana.
President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.
A personal story of one family's dramatic effort to hold onto their family farm in Iowa as massive foreclosures sweep the nation in the 1990s.
From a small-town Texas murder emerged a landmark civil rights case that successfully challenged Jim Crow-style discrimination against Mexican Americans.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.