On America's 250th morning, an imagined George Washington returns to Mount Vernon, and a young woman waits at the gate with an unlit candle.

Same families, same desert, same rock. Only the rules differ. The fence at Nogales and the choices that build or hollow a nation.

A rainy morning at Arlington, the quiet men of an earlier generation, and the question the fallen ask the living: will you carry it now?

On Lexington Green, John met a young man whose sixth great-grandfather was John Adams. It's a reminder that history lives only if we carry it.

Columbus, Mississippi. Waterloo, New York. Charleston, South Carolina. John traces the many origins of Memorial Day.