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After Armageddon

The aftermaths of major tragedies are analyzed as a way to understand how the world might respond to and survive an apocalyptic event. Included: the...

America's Book of Secrets

History's mysteries unfold in a look at secret facets of U.S. institutions and structures.

America's Secret Slang

Examining the origins of American slang words and phrases.

Ancient Aliens

A series exploring theories regarding supposed alien visitations involving ancient civilizations.

Ancient Discoveries

A series on ancient inventions that seem startlingly modern.

Guerra extraña

Se exploran las estrategias y las armas inusuales de guerra, a lo largo de la historia. Incluye: la distribución de mantas cubiertas de viruela y la...

How Life Began

The origins of life on Earth and the evolution of single-cell organisms into the vast multitude of living things on the planet are explored. Included:...

How Sex Changed the World

Examining how sex has influenced cultures throughout history.

How the Earth Was Made

A series examining geological features and phenomena, and the processes that formed their creation.

How the States Got Their Shapes

The origins of the shapes of America's states are traced, with examinations of the geographical, political and social factors that determined the...

Life After People

A 10-part series speculating what Earth would be like if humans were no longer present.

Mega Movers

Following the relocation of large structures.

Modern Marvels

Architectural and engineering landmarks of the 19th and 20th centuries. The programs previously aired on A&E's 'Time Machine' series. Among the...

The Universe

An astronomy series examing the history, scientific phenomena and mysteries of the universe.

Top Guns

Exploring the ins and outs of guns and weaponry, featuring the talents of two expert marksmen.