Unearthed - Season 3

When Trelleborg, a mysterious Viking fortress lost underground for over a thousand years, is discovered in Denmark, archaeologists investigate its buried treasures to reveal why it was built and what caused the end of this fearsome civilization.

At Caral, an ancient city in Peru 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.

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.

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.

Knossos, a mysterious ruined Minoan city on the island of Crete (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.

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.

New evidence gives rise to speculation over whether Attila the Hun, one of history's fiercest warriors, played a role in the downfall of the Roman Empire by waging a campaign of terror. This investigation centers on Trier in Germany.