
Historical and factual series celebrating pivotal moments in history.

Forced by settlers to migrate, the Northern Cheyenne allied with the Sioux, but gold soon made peace difficult to maintain.

The almost surreal deterioration of Gold Rush boomtowns into abandoned shells of timber and sagebrush.

Points west of the Mississippi saw bloody battles during the Civil War.

Steamboats open transportation for Western settlers.

Cannons evolved from 13th-century fort-penetrating weapons to atomic bomb launchers with smart weapons; explore how cannons were cast and forged, terrorized in world wars, and advanced to today's 40-ton self-propelled Crusader.

When cultures develop literacy, science, and language, codes emerge spontaneously; explore the rich history of secret symbolic communication from Egyptian hieroglyphics to Caesar's encryption, wartime codebreakers, and cyberspace.

From elaborate elite training facilities to GPS-guided air drops, to revolutionary high-tech tents and fire-retardant uniforms, the episode explores the science and technology of building, operating and protecting a base in a war zone.

Experts design materials that can catch gunfire.