American History

Pre-Columbian

 * Before Humans
 * Migration and Paleo-Indians
 * Mound-Builders
 * Puebloans
 * Mesoamerican Civilizations
 * Just Before Contact

Colonial Era

 * Age of Exploration
 * Virginia
 * New England
 * New Amsterdam
 * Penn's Forest
 * The Carolinas
 * The Chesapeake
 * Georgia

American Revolution

 * The French & Indian War
 * The Stamp Act Crisis
 * The Powder Keg
 * War and Independence
 * The Unstable Peace
 * Convention and Ratification

Early Republic

 * Anti-Federalists and the Bill of Rights
 * Washington / Adams
 * Vermont, Kentucky, Tennessee, Ohio
 * The Virginia Dynasty: Jefferson / Madison / Monroe
 * Louisiana
 * John Quincy Adams and the Corrupt Bargain
 * Indiana, Mississippi, Illinois, Alabama, Maine, Missouri

Civil War

 * The State of the Union
 * Lincoln
 * The Causes
 * The Beginning
 * The Combat
 * The Economy
 * Slavery and Race
 * Antebellum

Other Reliable Sources
The History of US Economics (podcast)