From Civil War memorials to reversing the Chicago River, Geoffrey Baer tells us about the new season of the WTTW documentary series, “10 That Changed America.”

A Chicago-area native talks about efforts led by a hospital ship to provide free surgeries to patients in West Africa and Central Africa.

When state Sen. Barack Obama decided to run for U.S. Senate, Elizabeth Brackett produced one of the first television documentaries about his life story.

Grace Lombardo never thought she’d get a tattoo, but then she got breast cancer. Her story of survival and recovery is told in a new documentary.

Geoffrey Baer travels to France to meet this year’s winners of the Driehaus Prize for architecture.

A new PBS program features stories of people coming together across ideological divides. We speak with “American Creed” director Sam Ball.

The new film “Mr. Canoe” chronicles the life of Ralph Frese, a world-famous canoe-builder and conservationist who ran Chicago’s last working blacksmith shop. 

The new documentary “Making a New American Nutcracker” premieres on WTTW. We speak with the Joffrey Ballet’s artistic director and the film’s producer.

A city treasurer with a love of horses managed to embezzle nearly $54 million from a small town of just 16,000 people. The new documentary “All The Queen’s Horses” looks at the case of Rita Crundwell.

Exploring the little-known story of an all-black infantry regiment from Chicago that fought in World War I. A discussion with documentary filmmaker Mario Tharpe.

On Sunday, “The Vietnam War,” a new 10-part documentary from Ken Burns and Lynn Novick, premiered on WTTW. Burns and Novick were in Chicago last week and sat down with “Chicago Tonight” to talk about the epic work.

A new episode of “Frontline” shines a light on the little-known story of the only U.S. bank to be prosecuted in the fallout of the 2008 financial crisis. We speak with the director and producer of “Abacus: Small Enough to Jail.”

Filmmakers Ken Burns and Lynn Novick speak with us about their new 10-part documentary series, “The Vietnam War.”

In his new PBS special, Geoffrey Baer is immersed in the city’s vibrant culture—architecture, music, dance and history—with three native Cubans as his guides.

If you want to know what Chicago looked like 200 years ago, head to the city’s southeast corner, where native wetlands, forests and prairies all come together.

Vacant city lots are often dismissed as derelict urban eyesores, but now some environmentalists are viewing these empty spaces as ecological opportunities.