Having recently moved to Cincinnati with her family, Harriet Beecher visited the slave state of Kentucky in 1833, staying here at the Marshall Key House.
While in Kentucky, she witnessed slavery up close for the first time.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The legal efforts by a team of African American lawyers to eradicate segregation ultimately led to the landmark Brown v. Board of Education in 1954.
In 1936 Angie Debo uncovered the U.S. government's theft of Native Americans' oil rich lands in Indian Territories of Oklahoma.
With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
The first man to fly across the Atlantic, Charles Lindbergh was unprepared for the attention, particularly after his son was kidnapped.
Author, soldier, scientist, outdoorsman and caring father, he was the youngest man to become president. Part of the award-winning Presidents collection.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
Cuba's Communist leader defied the odds, surviving his Soviet benefactors, the wrath of U.S. presidents, two diplomatic crises and assassination attempts.