In the Nazca Desert of southern Peru, experts investigate the ancient geoglyphs known as the Nazca Lines, and their association with the ceremonial Cahuach Pyramids, which are made up from dirt mounds and mud bricks.
The Emperor Nero built an astonishing palace in the heart of Rome. Now using cutting-edge technology, experts investigate if he burnt the city for the building.
The Lighthouse of Alexandria, sometimes called the Pharos of Alexandria, is one of the world's original Seven Wonders. Experts investigate its many secrets - did it hold a superweapon?
The Dead Sea Scrolls in Israel are the oldest biblical texts. New discoveries at Qumran might finally reveal the hidden meaning behind these manuscripts.
The sunken town of Baiae remains frozen in time, lying on the seabed of the Bay of Naples. Now, marine archaeologists investigate its fascinating secrets.
Thermopylae was the site of an iconic ancient battle. Legend says that in 480BC, 300 Spartan warriors died there - experts reconstruct the lost battlefield.
Tell El-Amarna was an ancient Egyptian city, established during the 18th dynasty by the pharaoh Akhenaten. Experts investigate the abandoned city buried in the Sahara, to uncover it's forgotten ruins and dark secrets.
When Pompeii was destroyed by an apocalyptic volcano, another town was destroyed, too - Herculaneum. It is one of history's most perfectly preserved towns.
The Roman Empire built Hadrian's Wall to guard the frontier of its province in Britannia. New discoveries reveal who the Romans were trying to keep out with this 72-mile-long megastructure.
The underground bunker of Adolf Hitler is home to some of the greatest secrets of the Nazi regime. Experts use cutting-edge technology to uncover new evidence.
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.
Troy is the legendary lost city at the centre of the Trojan War, but its existence was never confirmed. New cutting-edge technology explores the ancient myth.
What caused the Nazi aircraft to explode into a giant ball of fire over New Jersey in 1937? Experts use cutting-edge technology to investigate the event.
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 of Babylon, and new evidence reveals what Babylon looked like and what caused its downfall.
The Black Pyramid was built by Amenemhat III at Dashur in Egypt. Experts reveal why it began to buckle and collapse just before completion. Subsequently the pharaoh built a second pyramid at Hawara.
Archaeological investigation into the ships and ports, built and used by the pharaohs. Uses hi-tech methods to scan the sea 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.
