Nature
Meet Portugal's 20,000-Year-Old Wild Horses
The stars of Portugal's only national park are not newcomers. Wild Garrano horses have lived in the Peneda-Gerês
The stars of Portugal's only national park are not newcomers. Wild Garrano horses have lived in the Peneda-Gerês
How do wild dogs survive and thrive in the wild?
Meet the many species of canids, the family of wild dogs.
Airs Wednesday, August 21, 2013 at 8:00 p.m. ET/PT. Check your local listings.