9 best movies like Why We Fight: Prelude to War (1942)

This stylish mix of documentary and historical epic chronicles the reign of Commodus, the emperor whose rule marked the beginning of Rome's fall.

A documentary about the First Yale Unit, a group of Yale students who trained for World War I.

During the chaotic final weeks of the Vietnam War, the North Vietnamese Army closes in on Saigon as the panicked South Vietnamese people desperately attempt to escape. On the ground, American soldiers and diplomats confront a moral quandary: whether to obey White House orders to evacuate only U.S. citizens.

Winner of the 2010 Sundance Film Festival Grand Jury Prize for a Documentary, Restrepo chronicles the deployment of a U.S. platoon of courageous American soldiers in Afghanistan's Korengal Valley, considered to be one of the most dangerous postings in the U.S. military.

Former United States Secretary of Defense, Donald Rumsfeld, discusses his career in Washington D.C. from his days as a congressman in the early 1960s to planning the invasion of Iraq in 2003

The life and career of the hailed Hollywood movie star and underappreciated genius inventor, Hedy Lamarr.

The true story behind one the of most daring rescues in modern US history: a secret mission to free hostages captured during the 1979 Iranian revolution.

Behind the walls of a forbidden city, the only thing more dangerous than its secrets is the truth.

Armed only with their cameras, Peabody and Emmy Award-winning conflict Journalist Mike Boettcher, and his son, Carlos, provide unprecedented access into the longest war in U.S. history.