Secrets

Unlock the secrets of an ancient religious cult behind the giant statues of Easter Island.

For over 200 years, archaeologists have debated how Egyptians built the Great Pyramid. Do we finally have an answer?

Join the investigation of the bust of Nefertiti as we attempt to determine if it was a great find or a great hoax.

Follow the hunt for the truth about the most famous lost treasure of them all: the Ark of the Covenant.

Follow the high-tech examination of an ancient spear believed by many to have magical properties.

Join our experts as they study the wreckage of a ship thought to be captained by the notorious pirate Blackbeard.

The Great Wall of China is more than just a part of history, it's part of the world's geography, a sprawling, massive edifice of mud, reeds, and billions of bricks. But why did the Chinese go to such lengths to build it? And what secrets have enabled it to survive for over 2,000 years? We unravel its mysteries and rewrite its complex history through groundbreaking science and pioneering drone technology. This is how the wall was built, what its real purpose was, how it has survived multiple earthquakes and attacks, and how long it really runs.