The Pantheon is a 2,000-year-old temple with a secret. Advanced archaeological methods and new evidence reveal why it was built and how it survived.

The ancient Roman city of Hierapolis is said to hide a secret portal to the underworld beneath its streets. Experts use pioneering technology to investigate.

King Midas and his golden touch is a famous tale in Greek mythology. Experts use advanced archaeological methods to delve into strange ancient mounds.

Venice was once a fearsome superpower. Scientists use pioneering acoustic imaging technology to discover its ancient foundations and reveal how it's still standing.

A prehistoric megastructure on the sands of an English shore could reveal lost mysteries of the Bronze Age. Experts uncover ancient rituals once performed here.

The Tower of London is shrouded in a mysterious, grisly past. Experts use pioneering archaeological methods to examine how it became an infamous prison.

Experts use high-tech underwater archaeology to explore the world’s oldest sunken city and reveal new discoveries about one of the first great empires.

Deep in the Iraqi desert, the world's only ziggurat towers over the remains of the first civilization ever known in human history; armed with pioneering satellite imagery, experts investigate the dark mysteries behind this massive, ancient structure.

Experts use drone technology to explore the tunnels hidden below an Egyptian pyramid for the very first time. Plus, forensics uncover a pharaoh’s secrets.

Experts use innovative geophysical analysis to solve the mysteries of the towering Mount Nemrut in Turkey. Can they uncover the reason for its destruction?

The ancient city of Persepolis was once the greatest and richest city on Earth. Using forensic analysis, experts discover how the Persians rose to power.

The Valley of the Queens is a vast necropolis near the Valley of the Kings concealing some of Egypt's most miraculous tombs and powerful women; now, investigators use cutting-edge tech to explore lost tunnels and uncover the enigmatic secrets behind these ancient pharaohs.

The powerful city of Palenque is home to mysterious temples that harbour secrets about the Maya queens. Experts investigate using pioneering technology.

Experts use innovative technology to investigate why pharaohs and emperors built a colossal temple monument on a mysterious Egyptian island.

The ancient city of Abydos contains Egyptian tombs and a buried temple linked to a mysterious death cult. Archaeologists use drone imaging to investigate.

The clifftop ruins of Tintagel Castle are believed to be King Arthur's birthplace. Experts use cutting-edge tech to unlock its secrets.

Archaeologists use pioneering technology to investigate the ancient city of Samarra, revealing its astonishing rise to power - and monumental downfall.

Archaeologists uncover the engineering secrets behind lost coliseums of Rome to reveal the truth behind the ancient Roman empire.

Stunning 'blow apart' CGI animation and the latest archaeological investigations reveal how the most iconic buildings of the ancient worlds were built, stone by stone.