The Acropolis has overlooked Athens for thousands of years. Now scientists aim to reveal how it was built, what it looked like, and how it's still standing.

In Mexico, the lost city of Chichen Itza holds ancient secrets of a strange civilisation. How was it was built and how did human sacrifice shape it?

A medieval engineering marvel may house the remains of the Bible's Three Magi. Scientists and experts delve into the mysteries of this religious site.

Westminster Palace is one of the most iconic structures on the planet. What Victorian secrets and mysteries are hiding behind this famous landmark?

The Great Pyramid of Giza is one of the last surviving monuments of the ancient world. Scientists and archaeologists unlock the secrets of its construction.

The biggest man-made structure on Earth, the Great Wall of China, is one of its biggest mysteries. What are the secrets of one of history's greatest empires?

When a Viking fortress lost underground for over 1,000 years is discovered, experts investigate its buried treasures. What caused this civilization's demise?

The Statue of Liberty is the home to dark American mysteries. Now, experts are using the latest science and technology to reveal her secrets.

The infamous gunfight at the O.K. Corral only lasted 30 seconds. Now, experts use cutting-edge technology to uncover the mystery surrounding the event.

Mount Rushmore is one of North America's most iconic landmarks. Experts use cutting-edge technology to reveal what lies beneath the rock.

Cutting-edge technology is helping experts investigate the Bermuda triangle. Using new techniques, they search for evidence of aliens on the ocean floor.

Pyramids in the deserts of Sudan are the ruins of a powerful lost civilisation that rivalled Egypt. However, why are the pyramids there and who built them?

Saqqara is the site of the first pyramid - the Step Pyramid of Djoser. Experts use cutting-edge technology to explore why the Egyptians built pyramids.

Archaeological investigations unearth the secrets of the long-lost city. New evidence reveals what Babylon looked like and what caused its downfall.

The World Trade Centre's iconic twin towers were an engineering marvel.

With special access to a hi-tech archaeological investigation, experts reveal why Egypt's Black Pyramid collapsed before its pharaoh was buried there.

A cutting-edge archaeological investigation uses hi-tech methods to scan the ocean floor in search of sunken sphinxes, temples, and shipwrecks.

New discoveries on a strange Mediterranean island might offer new clues in the hunt for Atlantis. Experts reveal the apocalyptic event that destroyed it.

New discoveries at the lost city of Jericho offer fresh evidence about the biblical battle that brought its impregnable walls down.

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.