Gwen Wright of PBS's History Detectives speaks to Avery Clayton, son of Mayme Clayton, about his mother's collection of African-American history and memorabilia—the world's largest private collection on the topic.

This museum interprets cotton agriculture in Arkansas from statehood in 1836 through World War II, when agricultural practices quickly became mechanized. Visitors can tour the restored 1920s cotton gin and see how cotton was grown, picked, and processed.

The museum offers exhibits, tours, educational programs, and occasional recreational and educational events.

Spencer Crew, CEO of the Underground Railroad Freedom Center, and other presenters outline the lives of David Walker and Maria Stewart, African American Boston activists in the 1800s, as well as the lives and efforts of abolitionists generally and the history of the Underground Railroad.

Audio and video options are available.

Pulitzer-Prize-winning historian Joseph Ellis tells six stories from the early years of the American Republic, looking at the choices the Founding Fathers faced and the choices they made. Ellis examines the impact these decisions had on U.S. history and how they relate to current situations and life.

A panel of scholars responds to the second part of the PBS miniseries Slavery and the Making of America, which focuses on the Northeast, and includes the story of Mum Bett, who sued for her freedom in Massachusetts and whose victory led to the abolition of slavery in Massachusetts in 1783.