Watch Wednesday, February 25, 2015 at 9pm | Examine Hagia Sophia’s seismic secrets, which have insured its survival through a dozen earthquakes.

Watch Wednesday, February 18, 2015 at 9pm | Follow an archaeologist and sculptors to learn how the people of Petra built their city of stone.

Watch Wednesday, February 25, 2015 at 8pm | Follow a band of orangs that use tools, share food, forage together and create a distinct culture.

Watch Wednesday, February 18, 2015 at 8pm | Take a detailed look at owls and see how they’re influencing 21st-century technology and design.

Watch Monday-Wednesday, March 30-April 1, 2015 at 9pm | Watch this “biography” of cancer, which covers its first appearances and the battles to cure, control and conquer the disease.

Watch Wednesday, February 11, 2015 at 8pm | Love apparently knows no boundaries in the animal kingdom.

Watch Wednesday, February 4, 2015 at 8pm | Hear the story of the Lipizzaner stallions, from their ancient origins to their rescue in 1945.

Watch Wednesday, February 11, 2015 at 9pm | Watch a team re-create a lifting machine and trap-door system to release a wolf into the Colosseum.

Watch Wednesdays at 10pm through February 25, 2015 | This five-part series takes a fresh look at humankind’s relationship to the planet’s wildest places and most fascinating species.