The influential musical pioneers from Appalachia whose recordings lifted spirits during the Great Depression.
John Philip Sousa was America's favorite bandmaster.
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.
America came apart in 1964 and has since been reborn.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
An updated look at the Alabama tenant farmer families that Walker Evans and James Agee documented in their 1936 Pulitzer Prize-winning book.
Silent film actress Mary Pickford played a pivotal role in bringing Hollywood into the center of the motion picture industry.
In 1927, the Mississippi River flooded from New Orleans to Illinois, leaving a million people homeless and leading to a major black migration to the North.