Thirty years ago a group of American radicals called The Weathermen announced their intention to overthrow the U.S. government.

The powerful story of 200,000 Chinese who were saved during the "Rape of Nanking" by a small group of unarmed Westerners.

With unprecedented access, National Geographic goes deep into the secret world of U.S. Special Operations

Never-before-seen photos and personal stories of North Vietnamese war photographers

Behind the Nazi war machine was a well-crafted secret propaganda campaign aimed at Germans and foreigners

The first in-depth look at a group of Japanese-Americans whose pride forced them to conceal their suffering following internment

Chemical warfare has long been shrouded in a veil of secrecy; take a close look at the deadliest of secret weapons - chemical and biological agents

The Kremlin operatives who were loyal to one man - a paranoid dictator who spied as intensely on his Allies as he did on his enemies

This widely acclaimed film recounts one of the most extraordinary and important stories in American history

A veteran returns to Tarawa, site of one of the bloodiest battles in World War II history, to find it covered in trash (Adult Language)

Join Dr. Herman J. Viola and twenty modern Americans as they follow in the footsteps of Lewis and Clark.

This award-winning film follows survivors of four different mass atrocity crimes - Darfur, Rwanda, Congo, and the Holocaust