WASHINGTON (AP) -- Dorothy's ruby slippers from "The Wizard of Oz" have a new home with a diverse set of artifacts in a new timeline of American history that includes a piece of Plymouth Rock, a slave ...
Oregon’s Paisley Caves and a nearby rockshelter have led archaeologists to rethink when humans first reached North America. Evidence from ancient human waste, stone tools, and markings appears much ...
Presents a timeline of American history from 1500 to the current decade, with images from the collections and exhibitions of the National Museum of American History of the Smithsonian Institution.