E1 - Viking City of the Dead

Aired: May 15, 2018

When a mysterious Viking fortress lost underground for over a thousand years is discovered, experts investigate its buried treasures to reveal what caused the end of this fearsome civilization.

E2 - Lost Pyramids of the Americas

Aired: May 22, 2018

At an ancient city lost in the desert for 5,000 years, experts uncover evidence of human sacrifice and strange rituals, and new discoveries reveal that the people who lived here might have been the first civilization of the Americas.

E3 - Forbidden City of the Pharaohs

Aired: May 29, 2018

A mysterious city in ancient Egypt, Thebes, is the home of the Valley of the Kings, Luxor, Karnak, and other grand temples, and new discoveries reveal how they were built and if the god the pharaohs worshiped here helped them rise to power.

E4 - Statue of Liberty: The New Secrets

Aired: June 05, 2018

The Statue of Liberty is the home to dark American mysteries, and today, experts are using the latest science and technology to reveal her secrets and discover the inspiration for this modern marvel.

E5 - Hunt for the Real Atlantis

Aired: June 12, 2018

A mysterious ruined city in Greece is the home of the mythical Labyrinth and the Minotaur, and its catastrophic downfall might have inspired the legend of Atlantis. New discoveries at this site reveal a truth stranger than fiction.

E6 - Lost World of Easter Island

Aired: June 19, 2018

The mysterious statues of Easter Island, the Moai, were built by one of the world's strangest and most isolated civilizations, the Rapa Nui. Today, new evidence reveals why they were built and what caused Easter Island's sudden downfall.

E7 - Wrath of Attila the Hun

Aired: June 26, 2018

Attila the Hun was one of history's fiercest warriors, and new evidence reveals if his terror was responsible for the fall of Roman Empire.