The lost colony of Roanoke, settled in the late 1500s, mysteriously vanished without a trace. What happened to these early American colonists remains one of history's greatest unsolved mysteries.

Harvard University will relinquish 175-year-old photographs believed to be the earliest taken of enslaved people.

For hundreds of years, Andean people recorded information by tying knots into long cords. Will we ever be able to read them?

A new biography traces the ascent of a man who made the postwar right at once urbane, combative, and camera-ready.

The story behind Thomas O’Dea's harrowing drawing of the Confederates' Andersonville Prison in Georgia. Memorial Day events will be held at the site this weekend.