Although Hindus follow no single set of rules, reverence for cows can be found throughout the religion's major texts.

One of India's most magnificent and endangered animals fulfills its destiny in a remote nature preserve that also shrouds the ruins of a long-fallen empire.

As far back as the 12th century, Bandhavgarh, in India's Madhya Pradesh, had served as a game reserve and tiger hunting ground for the Maharajas of Rewa.

NATURE follows a venerated elephant trainer and several of his young trainees in their travels 1,500 miles from their homes in India.