Muir struggled for decades to create and protect Yosemite National Park, and helped launch the American environmental movement.
Kate Mullany's former home in Troy, New York honors one of the earliest women's labor unions that sought fair pay and safe working conditions.
The president worried that his grandson had “an unconquerable indolence of temper, and a dereliction, in fact, to all study.”
One of the defining images of World War II continues to be trailed by controversy.
The great tragedy of the twenty-eighth President as witnessed by his loyal lieutenant, the thirty-first.
Four hundred years ago this year, two momentous events happened in Britain’s fledgling colony in Virginia: the New World’s first democratic assembly convened, and an English privateer brought kidnapped Africans to sell as slaves. Such were the conflicted origins of modern America.