Follow the history of the uniquely American horse breeds that helped shape our nation. "American Horses" premieres Wednesday, February 23rd at 8/7c on PBS. [VID: Trailer for documentary American horses, montage footage of horses. Video transcript: In America, horses helped forge a new world. And that new world created unique horses, shaped by land and work, but sustained by their connection to us. Each breed has its own story and legacy. These are American horses.] | Nature | PBS

The American Quarter Horse was first celebrated for quick bursts of speed. It is consistently the fastest horse in the world in the quarter-mile. Learn more about this and other iconic breeds in "American Horses," now streaming. | Nature | PBS