A prehistoric megastructure could reveal lost mysteries of the Bronze Age.
The Pantheon is a 2,000-year-old temple with a secret.
King Midas and his golden touch is a famous tale in Greek mythology.
Venice was once a fearsome superpower. Scientists use pioneering acoustic imaging technology to discover its ancient foundations and reveal how it's still standing.
The Tower of London is shrouded in a mysterious, grisly past.
Experts use underwater archaeology to see the world's oldest sunken city.
Experts explore the tunnels hidden below an Egyptian pyramid.
How were the most iconic buildings of the ancient worlds built?