- 3 - 7Wrath of Attila the HunJun. 26, 2018
- 3 - 6Lost World of Easter IslandJun. 19, 2018
- 3 - 5Hunt for the Real AtlantisJun. 12, 2018
- 3 - 4Statue of Liberty: The New SecretsJun. 05, 2018
- 3 - 3Forbidden City of the PharaohsMay. 29, 2018
- 3 - 2Lost Pyramids of the AmericasMay. 22, 2018
- 3 - 1Viking City of the DeadMay. 15, 2018
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.