The lost fortresses of the Viking Age in today's Denmark. Why were they built...
Unearthed
Season 3 (7 Episodes)
The third season reveals how the ancient Egyptians built Karnak by raising an obelisk using traditional techniques; uncovers the secrets of the lost fortresses of the Viking Age; looks for the Kublai Khan's hidden Yuan Palace in China; and it joins investigators uncovering nearly 1000 years of history beneath the Statue of Liberty.