Who built Stonehenge and why? Groundbreaking archaeological digs have revealed major new clues about Britain's enigmatic 5,000-year-old site and the people who constructed it.

NOVA Season 45 Episodes...

• s45e01 - Death Dive to Saturn
• s45e02 - Secrets of the Shining Knight
• s45e03 - Ghosts of Stonehenge
• s45e04 - Secrets of the Forbidden City
• s45e05 - Killer Volcanoes
• s45e06 - Killer Hurricanes
• s45e07 - Killer Floods
• s45e08 - Extreme Animal Weapons
• s45e09 - Bird Brain
• s45e10 - Day the Dinosaurs Died
• s45e11 - Black Hole Apocalypse
• s45e12 - The Impossible Flight

NOVA Show Summary

Seen in more than 100 countries, NOVA is the most watched science based television series in the world and the most watched documentary series on PBS. It is also one of television's most acclaimed series, having won many major television awards, most of them many times over.