Men standing with pile of buffalo skulls, Michigan Carbon Works, Rougeville Mich., 1892.

What Happened to the Bones of the American Bison?

The near-extinction of the bison sparked an industry that left almost nothing of the animals behind.
Daniel Hoan, 1930

What Was Sewer Socialism?

Milwaukee mayor Daniel Hoan believed the best argument for socialism was a city government that worked.
Abstract geometric blue and red polka dot background covering a series of Atlas images from a 1776 atlas

The Atlas Behind the Revolution

While George Washington struggled to obtain reliable maps, British readers could consult this remarkable 1776 atlas.
President Reagan reading "Air Force One is Haunted" aboard Air Force One, 1986.

When Did Presidents Start Traveling Abroad?

For more than a century, foreign trips have reflected America's changing role in the world—and presidents' political priorities.
Pamphlet from boycotters from the Local 366 Union

“Brewed with Blood”: The Coors Beercott of the 1970s

An unusual coalition transformed a labor dispute into one of the longest-running consumer protests in US history.
A sale of enslaved people in Charleston, South Carolina, 1854

How the Slave Trade Built Charleston

The city's prosperity grew from a system that trafficked human beings and turned their lives into profit.
An edited collage of images from early National Geographic artwork. The photograph of this woman from Biskra, Algeria is from a 1917 issue.

How National Geographic Conquered American Culture

The magazine’s explosive growth mirrored the nation's emergence as a global empire.
Unidentified young soldier in Confederate infantry uniform`

The Civil War Fight over Underage Soldiers

Families turned to habeas corpus to recover enlisted sons, forcing a constitutional showdown over military power.
The US Continental Divide at the top of Loveland Pass, Colorado, 1964

The Invention of the Continental Divide

A Civil War–era push for unity helped transform a little-known geographic boundary into a powerful symbol of American identity.
George Templeton Strong

Inside a Four-Million-Word Diary of 1860s New York

George Templeton Strong chronicles Civil War–era New York with unmatched immediacy, capturing daily life and upheaval.