Mayan City of Blood

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.

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.

A mysterious city in ancient Egypt is the home of the Valley of the Kings and 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.

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.

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

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.

A cutting-edge investigation into the sinking of the Titanic reveals new discoveries that might finally explain the mysteries of her last moments, and experts get closer to a shocking secret: if there was a way to save almost everyone on board.

Egypt's strange Bent Pyramid is one of the world's most mysterious ancient mega-structures, and new discoveries help experts investigate its dark secret: if it was always intended to look so bizarre, or if something went catastrophically wrong.

New discoveries at Pompeii's last unexplored area reveal the dark secrets of the doomsday event that destroyed it, and recently unearthed mummies might help answer Pompeii's most enduring mystery: why it was built on an active volcano.

For the first time, archaeologists use cutting-edge technology to discover what lies beneath China's Forbidden City, revealing the dark secrets of this mysterious mega-palace that have buried for nearly 600 years.

The Inca capital of Cusco was said to be the site of untold gold and riches, and new discoveries at this mysterious site reveal the secrets behind this mighty empire's fall.

A ground-breaking experiment reveals how ancient Egyptians built the giant obelisks of Thebes, and new discoveries at this holy site could explain why these mysterious marvels triggered the downfall of the pharaohs and the end of Egypt's golden age.

The discovery of strange giant stone heads in the jungle leads archaeologists to the lost capital city of the Olmec, and new investigations reveal evidence that the secret knowledge of these mysterious people changed life in the Americas forever.

The treasures of Ramses II are found at Abu Simbel, a giant temple carved into a desert cliff over 3,000 years ago, and new discoveries at this marvel reveal the secrets of ancient Egypt's greatest pharaoh.

Deep in the jungle, the lost city of Tikal holds the dark secrets of the Maya, and now, a new investigation uncovers how it grew into a megacity home to 100,000 people, and why it was mysteriously abandoned.