Download elephant wallpaper for your desktop from NATURE's "Unforgettable Elephants."

Elephant social rules are very complex. Females dwell in tightly bonded families that stay together for life, and males live a largely solitary existence.

Carol Buckley spent more than 20 years performing with her elephant, Tarra, in zoos and circuses before deciding the animals deserved a different life.

On the streets of Bangkok and other large cities in Thailand, unemployed and homeless Asian elephants are becoming a common -- and controversial -- sight.

As early as 1796, traders began shipping Asian elephants to Europe and North America. By the 19th century, Asian elephants were a staple of zoos and traveling circuses.

NATURE explores the unusual problems created as the struggle to give Asian elephants a home is fought worldwide.

Students will learn about the diversity of life and land in the desert, create artistic responses to the film, and explore interactive Web site features.

Two great films provide an account of the inner workings of one of the last truly wild places on earth in Kalahari - The Great Thirstland & The Flooded Desert.

Two great films provide an account of the inner workings of one of the last truly wild places on earth in Kalahari - The Great Thirstland & The Flooded Desert.

Two great films provide an account of the inner workings of one of the last truly wild places on earth in Kalahari - The Great Thirstland & The Flooded Desert.