Extras

Video thumbnail: Secrets of the Dead Training Hannibal's Military Horses

Secrets of the Dead

Training Hannibal's Military Horses

Uncover the mystery of how Hannibal crossed the near-impregnable Alps to attack Rome.

Training Hannibal's Military Horses

Video thumbnail: Secrets of the Dead Hannibal in the Alps Preview

Secrets of the Dead

Hannibal in the Alps Preview

Secrets of the Dead: Hannibal in the Alps Premiered Tuesday, April 10 at 8-9 p.m. on PBS

Hannibal in the Alps Preview

Video thumbnail: Secrets of the Dead An Attack in the Gorge

Secrets of the Dead

An Attack in the Gorge

Uncover the mystery of how Hannibal crossed the near-impregnable Alps to attack Rome.

An Attack in the Gorge