The History Channel offers a wide range of resources and videos. One area of special interest is the Famous Speeches page, with audio clips on everything from Amelia Earhart on Women in Flight to a Titanic Survivor’s Eyewitness Account, George Wallace on Desegregation to Nancy Reagan Introduces “Just Say No” Campaign.
The History Channel provides access to primary source documents, such as speeches and maps.
And check out their Topics list.