Martin Sheen

Take a flight of fancy with nature's most beguiling creatures. See their miraculous transformation from lowly caterpillar to airborne adult, and learn why these delicate insects have long inspired and entraced us.

Traces the history of dogs from their origins to their domestication and describes various species of dogs.

Documentary on earthquakes around the world. Covers the dangers, current research, and benefits of earthquakes.

Tom goes to St. Jean Pied de Port, France, to collect the remains of his adult son, who was killed in the Pyrenees in a storm while walking the Camino de Santiago. Rather than return home, Tom decides to embark on the historical pilgrimage to honor his son's desire to finish the journey. What Tom doesn't plan on is the profound impact the journey will have on him as he begins to learn the difference between the life one lives and the life one chooses....

An introduction to horses that explores the history and varieties of horses, and the links between horses and humankind.

Takes you deep into the waters of the world to discover some of the most exotic creatures in nature. Take the plunge from dazzling coral reefs to the darkest depths to meet fish--a vast and varied group of animals.

When a United States Senator is brutally murdered, the evidence points to a Soviet assassin code-named Cassius, who was long-thought to be dead. Two men who know Cassius best are thrown together to catch him. Paul Shepherdson is a retired CIA operative who spent his career tracking Cassius around the globe. Ben Geary is a hotshot young FBI Agent and family man who has studied the killer's every move. Ben thinks he knows Cassius, but Paul knows he...

See how different types of weather form and the effect that climate has on our world.

A look at one of the world's most complex machines, capable of laughing, crying, and even reproducing itself.

Discover the ancient myths that surround our oceans and the modern science behind them.