The Quipu — The Knotted Strings That Recorded an Empire
A system of knotted strings that recorded the history of the Inca Empire. No one can fully read them. Over 600 exist. Most remain undeciphered.
Impossible engineering, lost knowledge, and artifacts that defy explanation — the greatest unsolved puzzles of the ancient world.
35 articles
A system of knotted strings that recorded the history of the Inca Empire. No one can fully read them. Over 600 exist. Most remain undeciphered.
An obelisk still attached to bedrock in Aswan. It would have been the largest obelisk ever erected. But it cracked and was abandoned.
Stone temples built 1,000 years before Stonehenge and 2,000 years before the Pyramids. They are the oldest free-standing structures on Earth.
Egyptian hieroglyphs carved into sandstone in New South Wales, Australia. If authentic, they would rewrite history. Most say they are a hoax.
A runestone found in Minnesota in 1898 — with a Viking inscription dated to 1362. If authentic, it proves Vikings reached the American Midwest. Most say it is a hoax.