In-depth portrait of India's most colorful, violent, and majestic era. Though they conquered their kingdom with crushing brutality, the Mughals were also brilliant technological innovators and masters of art and architecture.

How the Titanic broke apart and sank has been a mystery for decades. What actually happened after the ship hit the iceberg? In 2005 explorers set out to investigate a virtually unexplored site rarely looked at before. See their startling discoveries.

The vivid and captivating reclaiming of Catherine of Aragon's story, which has historically been overshadowed by her infamous marriage to King Henry VIII.

First permanent European settlement in the United States was founded two generations before the Pilgrims arrived in 1565. America's Untold Story uncovers the story of America's past that never made it into textbooks.

It is a new century and with it comes the promise of a hopeful future, but the past casts a long shadow over Cornwall. Following the death of Elizabeth, Ross Poldark resolves to put Westminster behind him and spend more time with the people he loves. However, when an old friend emerges with a plea for help, Ross is compelled to challenge the establishment again.

Professor Alice Roberts uses archaeological discoveries to piece together a turning point in Britain's history. The key to her quest is the excavation of a stone palace in Cornwall, long believed to be the birthplace of the King Arthur legend. Was Arthur in fact ruler of a prosperous trading village, and the defender of the native Britons against the Anglo-Saxons?

Poldark, the drama that has become a cultural phenomenon, continues for a second season on the stunning beaches of Cornwall. It's 1790 and there is riot and revolution in the air. Ross Poldark, the character redefined by the smoldering Aidan Turner, must fight for his freedom when George Warleggan tries to have him hanged as a revolutionary. While Francis and Elizabeth watch on in horror, can Demelza save Ross from himself? After the American Revolutionary...

This program visits early human archaeological sites and uses computer animation to explore the daily life of the first humans in North America.

Inventor, writer, businessman, scientist, diplomat, and the face gracing the hundred-dollar bill - this stately figure is the Benjamin Franklin history has taught us to remember. In this revealing presentation, the man behind the myth is brought to light.

Season two returns as the Great War rages across Europe, and not even the serene Yorkshire countryside is free from its effects. The men and women of Downton are doing their part both on the front lines and the home front, but the intensity of war only serves to inflame the more familiar passions of love, loss, blackmail, and betrayal.