TV Schedule for PBS World (IPTV-DT3) Iowa Public TV

Human Footprint The Enemy of My Enemy

In humankind's conquest of planet Earth, improbable allies -- species recruited from nature -- are relied on to help defeat adversaries.

Expedition With Steve Backshall Saudi Arabia: Expedition Volcanic Underworld

Exploring an unmapped volcanic underworld in search of the longest lava tube in Arabia.

Iconic America: Our Symbols and Stories With David Rubenstein The American Bald Eagle

The American bald eagle symbolizes patriotism, environmental activism and Native American traditions.