On April 22, 1970, more than 20 million Americans gathered on college campuses and in city squares to celebrate the first Earth Day. Some came to spread the word, others came to learn, but all were a part of the largest organized demonstration in American history. See these snapshots of events around the country.
Between 1890 and 1920, 12 million people emigrated from Europe arriving in New York Harbor and Ellis Island.
William "Buffalo Bill" Cody's legendary exploits helped create the myth of the American West that still endures today.
The personal journey of three generations of a Japanese American family, including their stint in internment camps during World War II.
The grave truth behind modern forensics was discovered in 1920s New York.
Between 1854 and 1929 more than 100,000 abused or orphaned children were sent by train to the Midwest to begin new lives in foster families.
From a small-town Texas murder emerged a landmark civil rights case that successfully challenged Jim Crow-style discrimination against Mexican Americans.
From Reconstruction to the 1960s, this film offers a portrait of New Orleans that reflects the best and the worst in America.
An updated look at the Alabama tenant farmer families that Walker Evans and James Agee documented in their 1936 Pulitzer Prize-winning book.