700 Kilometres

For centuries, Stonehenge was Britain’s greatest mystery. Then a new scientific discovery revealed one of its stones traveled more than 700 kilometres across ancient Britain.
Göbekli Tepe: The 11,000-Year-Old Temple That Rewrote History

Long before the pyramids or Stonehenge, ancient hunter-gatherers built a monument so advanced it forced historians to rethink the birth of civilization itself.
The Antikythera Mechanism: The 2,000-Year-Old Computer

Hidden beneath the Mediterranean for nearly 2,000 years, the Antikythera Mechanism challenged everything we thought we knew about ancient technology.