Season 3
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.
Episodes
1 Viking City of the Dead May 15, 2018 
2 Lost Pyramids of the Americas May 22, 2018 
3 Forbidden City of the Pharaohs May 29, 2018 
4 Statue of Liberty: The New Secrets Jun 5, 2018 
5 Hunt for the Real Atlantis Jun 12, 2018 
6 Lost World of Easter Island Jun 19, 2018 
7 Wrath of Attila the Hun Jun 26, 2018