Dinosaur bones have been discovered all over the United States. Explore some of America's most exciting dig sites on this interactive map.
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.
From Joseph Smith's discovery of gold tablets to persecution, migration, and settlement in Utah, the film explores the history of the most American of religions.
The inspiring story of the modern environmental movement.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
A six-hour series on how the West was lost and won, from the Gold Rush in 1848 until Wounded Knee in 1893.
The most daring and innovative accomplishment at the turn of the 20th century.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
Originally settled as a mail stop, Las Vegas changed from an Old West vacation town, to a mafia haven, to the "Atomic City" and "Sin City."