S4 E1 • Titanic: The Last Secrets

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.

Première diffusion : 2 octobre 2018

S4 E2 • Mystery of the Cursed Pyramid

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

Première diffusion : 9 octobre 2018

S4 E3 • Pompeii's Doomsday Mummies

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.

Première diffusion : 16 octobre 2018

S4 E4 • Secrets of the Forbidden City

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.

Première diffusion : 23 octobre 2018

S4 E5 • Inca Apocalypse: The Dark Evidence

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.

Première diffusion : 30 octobre 2018

S4 E6 • Egypt's Lost Skyscrapers

A ground-breaking experiment reveals how ancient Egyptians built the giant obelisks of Thebes; 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.

Première diffusion : 20 novembre 2018

S4 E7 • Curse of the Jungle Treasure

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

Première diffusion : 27 novembre 2018

S4 E8 • Ramses' Buried Treasures

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.

Première diffusion : 4 décembre 2018

S4 E9 • Lost City of the Maya

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

Première diffusion : 11 décembre 2018

S4 E10 • Ghosts of the Stone Age

New discoveries at a strange prehistoric site reveal the dark secrets and rituals of the mysterious people who built the world's largest stone circle, three times bigger than Stonehenge, and just as enigmatic.

Première diffusion : 18 décembre 2018